diff --git a/src/CopyrighFixer/CopyrighFixer/signer.cpp b/src/CopyrighFixer/CopyrighFixer/signer.cpp
index 2a90a00..68578b8 100644
--- a/src/CopyrighFixer/CopyrighFixer/signer.cpp
+++ b/src/CopyrighFixer/CopyrighFixer/signer.cpp
@@ -35,7 +35,7 @@ bool Signer::checkSign(const Config &objConf) {
 
             IFileManager *currFM = searchFileByExt(i_file.suffix());
             Signature signFromFile;
-            Signature signForWrite;
+            Signature resultSign;
 
             if (currFM == nullptr) {
                 return false;
@@ -45,9 +45,9 @@ bool Signer::checkSign(const Config &objConf) {
                 return false;
             }
 
-            signForWrite = mergeSign(currConfig.getSignVal(), signFromFile);
+            resultSign = mergeSign(currConfig.getSignVal(), signFromFile);
 
-            if (!currFM->write(i_file.filePath(), signForWrite)) {
+            if (!currFM->write(i_file.filePath(), resultSign)) {
                 return false;
             }
         }
@@ -62,48 +62,44 @@ const Signature Signer::mergeSign(const Signature &userSign, const Signature &fi
         return userSign;
     }
 
-    if (userSign.getLicenseTitle() == fileSign.getLicenseTitle()) {
-
-        if (!fileSign.isValid()) {
-            return userSign;
-        }
-
-        if (userSign.getMapOwn().size() > 1) {
-            QuasarAppUtils::Params::log("Config signature contains more owners.",
-                                        QuasarAppUtils::VerboseLvl::Warning);
-            return fileSign;
-        }
-
-        Signature signForSing = fileSign;
-        if (userSign.getMapOwn().cbegin().value().getOwnerName() == signForSing.getMapOwn().cbegin().value().getOwnerName()) {
-
-            QMap<int, CopyrighFixer::Owner> mapOwners = signForSing.getMapOwn();
-            mapOwners.remove(fileSign.getMapOwn().cbegin().key());
-            mapOwners.insert(userSign.getMapOwn().cbegin().key(),
-                             userSign.getMapOwn().cbegin().value());
-            signForSing.setMapOwners(mapOwners);
-
-            return signForSing;
-
-        } else {
-
-            QMap<int, CopyrighFixer::Owner> mapOwners = signForSing.getMapOwn();
-            mapOwners.insert(userSign.getMapOwn().cbegin().key(),
-                             userSign.getMapOwn().cbegin().value());
-            signForSing.setMapOwners(mapOwners);
-
-            return signForSing;
-
-        }
-
-        return fileSign;
-
-    } else {
+    if (userSign.getLicenseTitle() != fileSign.getLicenseTitle()) {
         QuasarAppUtils::Params::log("The signature in the file is different from the config signature.",
                                     QuasarAppUtils::VerboseLvl::Warning);
         return fileSign;
     }
 
+    if (userSign.getMapOwn().size() > 1) {
+        QuasarAppUtils::Params::log("Config signature contains more owners.",
+                                    QuasarAppUtils::VerboseLvl::Warning);
+        return fileSign;
+    }
+
+    Signature signForSing = fileSign;
+    if (userSign.getMapOwn().cbegin().value().getOwnerName() == signForSing.getMapOwn().cbegin().value().getOwnerName()) {
+
+        QMap<int, CopyrighFixer::Owner> mapOwners = signForSing.getMapOwn();
+        mapOwners.remove(fileSign.getMapOwn().cbegin().key());
+        mapOwners.insert(userSign.getMapOwn().cbegin().key(),
+                         userSign.getMapOwn().cbegin().value());
+        signForSing.setMapOwners(mapOwners);
+
+        return signForSing;
+
+    }
+
+    if (userSign.getMapOwn().cbegin().value().getOwnerName() != signForSing.getMapOwn().cbegin().value().getOwnerName()) {
+
+        QMap<int, CopyrighFixer::Owner> mapOwners = signForSing.getMapOwn();
+        mapOwners.insert(userSign.getMapOwn().cbegin().key(),
+                         userSign.getMapOwn().cbegin().value());
+        signForSing.setMapOwners(mapOwners);
+
+        return signForSing;
+
+    }
+
+    return fileSign;
+
 }
 
 IFileManager *Signer::searchFileByExt(const QString &extension) {
diff --git a/tests/units/signertest.cpp b/tests/units/signertest.cpp
index 3e76af3..3365dc0 100644
--- a/tests/units/signertest.cpp
+++ b/tests/units/signertest.cpp
@@ -64,49 +64,49 @@ QList<SignerTest::Signers> SignerTest::lstSing() const {
     // 1
     // The case when the signatures in the config and the file match.
     SignerTest::Signers equalSign;
-    equalSign.signFormConf = genSign("Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1622657022);
-    equalSign.signFormFile = genSign("Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1622657022);
-    equalSign.signAfterMerge = genSign("Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1622657022);
+    equalSign.signFormConf = genSign("MIT License Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1622657022);
+    equalSign.signFormFile = genSign("MIT License Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1622657022);
+    equalSign.signAfterMerge = genSign("MIT License Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1622657022);
 
     // 2
     // The Different licenses.
     SignerTest::Signers signDiffLic;
-    signDiffLic.signFormConf = genSign("Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1622657022);
-    signDiffLic.signFormFile = genSign("Copyright (C) 2019-2020 QuasarApp.", "QuasarApp", 1622657022);
-    signDiffLic.signAfterMerge = genSign("Copyright (C) 2019-2020 QuasarApp.", "QuasarApp", 1622657022);
+    signDiffLic.signFormConf = genSign("MIT License Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1622657022);
+    signDiffLic.signFormFile = genSign("MIT License Copyright (C) 2019-2020 QuasarApp.", "QuasarApp", 1622657022);
+    signDiffLic.signAfterMerge = genSign("MIT License Copyright (C) 2019-2020 QuasarApp.", "QuasarApp", 1622657022);
 
     // 3
     // The Different owners.
     SignerTest::Signers signDiffOwn;
-    signDiffOwn.signFormConf = genSign("Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1700000000);
-    signDiffOwn.signFormFile = genSign("Copyright (C) 2020-2021 QuasarApp.", "QuasarAppSdfdf", 1622657022);
+    signDiffOwn.signFormConf = genSign("MIT License Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1700000000);
+    signDiffOwn.signFormFile = genSign("MIT License Copyright (C) 2020-2021 QuasarApp.", "QuasarAppSdfdf", 1622657022);
 
-    signDiffOwn.signAfterMerge = genSign("Copyright (C) 2020-2021 QuasarApp.", "QuasarAppSdfdf", 1622657022);
+    signDiffOwn.signAfterMerge = genSign("MIT License Copyright (C) 2020-2021 QuasarApp.", "QuasarAppSdfdf", 1622657022);
     QMap<int, CopyrighFixer::Owner> multiSign = signDiffOwn.signAfterMerge.getMapOwn();
-    multiSign.insert(1700000000, genSign("Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1700000000).getMapOwn().cbegin().value());
+    multiSign.insert(1700000000, genSign("MIT License Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1700000000).getMapOwn().cbegin().value());
     signDiffOwn.signAfterMerge.setMapOwners(multiSign);
 
     // 4
     // The equal owners.
     SignerTest::Signers signEqualOwn;
-    signEqualOwn.signFormConf = genSign("Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1700000000);
-    signEqualOwn.signFormFile = genSign("Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1622657022);
-    signEqualOwn.signAfterMerge = genSign("Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1700000000);
+    signEqualOwn.signFormConf = genSign("MIT License Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1700000000);
+    signEqualOwn.signFormFile = genSign("MIT License Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1622657022);
+    signEqualOwn.signAfterMerge = genSign("MIT License Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1700000000);
 
 
     // 5
     // The signature is missing from the file.
     SignerTest::Signers signMissingInFile;
-    signMissingInFile.signFormConf = genSign("Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1622657022);
+    signMissingInFile.signFormConf = genSign("MIT License Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1622657022);
     signMissingInFile.signFormFile = genSign();
-    signMissingInFile.signAfterMerge = genSign("Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1622657022);
+    signMissingInFile.signAfterMerge = genSign("MIT License Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1622657022);
 
     // 6
     // Here are no owners in the file.
     SignerTest::Signers signMissOwnInFile;
-    signMissOwnInFile.signFormConf = genSign("Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1622657022);
-    signMissOwnInFile.signFormFile = genSign("Copyright (C) 2020-2021 QuasarApp.");
-    signMissOwnInFile.signAfterMerge = genSign("Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1622657022);
+    signMissOwnInFile.signFormConf = genSign("MIT License Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1622657022);
+    signMissOwnInFile.signFormFile = genSign("MIT License Copyright (C) 2020-2021 QuasarApp.");
+    signMissOwnInFile.signAfterMerge = genSign("MIT License Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1622657022);
 
     // 7
     // Generating multiple owners.
@@ -124,9 +124,9 @@ QList<SignerTest::Signers> SignerTest::lstSing() const {
 
     // The number of owners differs.
     SignerTest::Signers signDiffNumOwn;
-    signDiffNumOwn.signFormConf = genSign(Owns, "Copyright (C) 2020-2021 QuasarApp.");
-    signDiffNumOwn.signFormFile = genSign("Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1700000000);
-    signDiffNumOwn.signAfterMerge = genSign("Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1700000000);
+    signDiffNumOwn.signFormConf = genSign(Owns, "MIT License Copyright (C) 2020-2021 QuasarApp.");
+    signDiffNumOwn.signFormFile = genSign("MIT License Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1700000000);
+    signDiffNumOwn.signAfterMerge = genSign("MIT License Copyright (C) 2020-2021 QuasarApp.", "QuasarApp", 1700000000);
 
     return {equalSign, signDiffLic, signDiffOwn, signEqualOwn, signMissingInFile, signMissOwnInFile, signDiffNumOwn};