diff --git a/common.pri b/common.pri
index b7bb8491c8..ca9d27a921 100644
--- a/common.pri
+++ b/common.pri
@@ -138,7 +138,7 @@ unix|win32-g++ {
     QMAKE_CXXFLAGS_WARN_ON += -Wno-unused-local-typedef
   }
 
-  *-clang {
+  *-clang* {
     QMAKE_CXXFLAGS_WARN_ON += -Wno-sign-conversion -Werror=return-type
   }