diff --git a/include/LIEF/PE/signature/x509.hpp b/include/LIEF/PE/signature/x509.hpp
index f52ff0f..47dc551 100644
--- a/include/LIEF/PE/signature/x509.hpp
+++ b/include/LIEF/PE/signature/x509.hpp
@@ -192,6 +192,6 @@ class LIEF_API x509 : public Object {
 }
 }
 
-ENABLE_BITMASK_OPERATORS(LIEF::PE::x509::VERIFICATION_FLAGS);
+ENABLE_BITMASK_OPERATORS(LIEF::PE::x509::VERIFICATION_FLAGS)
 
 #endif
diff --git a/src/PE/signature/Attribute.cpp b/src/PE/signature/Attribute.cpp
index 275f0a3..9d29370 100644
--- a/src/PE/signature/Attribute.cpp
+++ b/src/PE/signature/Attribute.cpp
@@ -29,6 +29,7 @@ Attribute::Attribute(SIG_ATTRIBUTE_TYPES type) :
 {}
 
 Attribute::Attribute(const Attribute& other) :
+  Object{other},
   type_{other.type_}
 {}
 
diff --git a/src/PE/utils.cpp b/src/PE/utils.cpp
index 402fd48..f1e5c8b 100644
--- a/src/PE/utils.cpp
+++ b/src/PE/utils.cpp
@@ -270,6 +270,7 @@ std::string get_imphash(const Binary& binary, IMPHASH_MODE mode) {
         return get_imphash_std(binary);
       }
   }
+  return "";
 }
 
 Import resolve_ordinals(const Import& import, bool strict, bool use_std) {