diff --git a/common.pri b/common.pri
index 0b2fb7012..6da9e1601 100644
--- a/common.pri
+++ b/common.pri
@@ -359,8 +359,8 @@ LIBS_USED_FOR_QT = \
     QtConcurrent
 
 for(somelib, $$list($$LIBS_USED_FOR_QT)) {
-    ISYSTEM += -isystem $$[QT_INSTALL_LIBS]/$${somelib}.framework/Versions/5/Headers/
-    ISYSTEM += -isystem $$[QT_INSTALL_LIBS]/$${somelib}.framework/Headers/
+    ISYSTEM += -isystem $$[QT_INSTALL_LIBS]/$${somelib}.framework/Versions/5/Headers
+    ISYSTEM += -isystem $$[QT_INSTALL_LIBS]/$${somelib}.framework/Headers
 }
 }