diff --git a/plugins/qca-botan/botan.qcm b/plugins/qca-botan/botan.qcm
index 46e45f9c..64cbeab3 100644
--- a/plugins/qca-botan/botan.qcm
+++ b/plugins/qca-botan/botan.qcm
@@ -41,7 +41,7 @@ public:
 			return false;
 
 		do {
-			sleep(1);
+			usleep(100000);
 		} while (proc->isRunning());
 
 		QString cflags = proc->readStdout();
diff --git a/plugins/qca-gcrypt/libgcrypt.qcm b/plugins/qca-gcrypt/libgcrypt.qcm
index dd625f2d..c0ff3597 100644
--- a/plugins/qca-gcrypt/libgcrypt.qcm
+++ b/plugins/qca-gcrypt/libgcrypt.qcm
@@ -41,7 +41,7 @@ public:
 			return false;
 
 		do {
-			sleep(1);
+			usleep(100000);
 		} while (proc->isRunning());
 
 		QString cflags = proc->readStdout();