diff --git a/mkspecs/features/qt_functions.prf b/mkspecs/features/qt_functions.prf
index 86b1ad4314..d01c25c06d 100644
--- a/mkspecs/features/qt_functions.prf
+++ b/mkspecs/features/qt_functions.prf
@@ -48,7 +48,7 @@ defineTest(qtProcessModuleFlags) {
 
 # qt module
 defineTest(qtHaveModule) {
-    !isEmpty(QT.$${1}.name): \
+    !isEmpty(QT.$$replace(1, -, _).name): \
         return(true)
     return(false)
 }