diff --git a/mupen64plus-input-qt/mupen64plus-input-qt.pro b/mupen64plus-input-qt/mupen64plus-input-qt.pro
index 99772a8..fdc55aa 100644
--- a/mupen64plus-input-qt/mupen64plus-input-qt.pro
+++ b/mupen64plus-input-qt/mupen64plus-input-qt.pro
@@ -60,6 +60,6 @@ LIBS += -L/usr/local/lib -ldl -lSDL2
 INCLUDEPATH += /usr/local/include /usr/include/SDL2 /usr/local/include/SDL2
 }
 
-CONFIG += c++11
+CONFIG += optimize_full
 
 QMAKE_PROJECT_DEPTH = 0