diff --git a/mingw-cross-env.pri b/mingw-cross-env.pri
index 1ddce88b..f13bfa7b 100644
--- a/mingw-cross-env.pri
+++ b/mingw-cross-env.pri
@@ -14,6 +14,5 @@ CONFIG(mingw-cross-env) {
   LIBS += mingw-cross-env/lib/libCGAL.a
   QMAKE_CXXFLAGS += -fpermissive
   QMAKE_DEL_FILE = rm -f
+  QMAKE_CXXFLAGS_WARN_ON += -Wunused-local-typedefs #eigen3
 }
-
-