diff --git a/common.pri b/common.pri
index 6da9e1601..8f2ea2464 100644
--- a/common.pri
+++ b/common.pri
@@ -359,8 +359,13 @@ 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
+    contains( QMAKE_DEFAULT_INCDIRS, "$$[QT_INSTALL_LIBS]/$${somelib}.framework/Versions/5/Headers" ) {
+        QMAKE_DEFAULT_INCDIRS += "$$[QT_INSTALL_LIBS]/$${somelib}.framework/Versions/5/Headers"
+    }
+
+    contains( QMAKE_DEFAULT_INCDIRS, "$$[QT_INSTALL_LIBS]/$${somelib}.framework/Headers" ) {
+        QMAKE_DEFAULT_INCDIRS += "$$[QT_INSTALL_LIBS]/$${somelib}.framework/Headers"
+    }
 }
 }
 
diff --git a/src/app/valentina/valentina.pro b/src/app/valentina/valentina.pro
index 7cf5839ee..8f8c6db24 100644
--- a/src/app/valentina/valentina.pro
+++ b/src/app/valentina/valentina.pro
@@ -127,6 +127,7 @@ message(Data files: $$[QT_INSTALL_DATA])
 message(Translation files: $$[QT_INSTALL_TRANSLATIONS])
 message(Settings: $$[QT_INSTALL_SETTINGS])
 message(Examples: $$[QT_INSTALL_EXAMPLES])
+message(Default include dirs: $${QMAKE_DEFAULT_INCDIRS})
 
 # Path to recource file.
 win32:RC_FILE = share/resources/valentina.rc