diff --git a/mkspecs/features/warnings.pri b/mkspecs/features/warnings.pri
index 5c1b71499..c4877afb1 100644
--- a/mkspecs/features/warnings.pri
+++ b/mkspecs/features/warnings.pri
@@ -31,6 +31,7 @@ swiftConfig(allowNoisyWarnings) {
 }
 else {
     DEFINES *= QT_NO_DEPRECATED_WARNINGS
+    mingw:QMAKE_CXXFLAGS_WARN_ON += -Wno-maybe-uninitialized
 }
 
 # clazy - Qt-aware linter