diff --git a/mupen64plus-input-qt/mupen64plus-input-qt.pro b/mupen64plus-input-qt/mupen64plus-input-qt.pro
index b4c90d6..4bb777b 100644
--- a/mupen64plus-input-qt/mupen64plus-input-qt.pro
+++ b/mupen64plus-input-qt/mupen64plus-input-qt.pro
@@ -55,11 +55,14 @@ LIBS += -L/usr/local/lib -ldl -lSDL2
 INCLUDEPATH += /usr/local/include /usr/include/SDL2 /usr/local/include/SDL2
 }
 
+CONFIG += ltcg
+
 QMAKE_CXXFLAGS_RELEASE -= -O2
-QMAKE_CXXFLAGS_RELEASE += -O3 -flto -march=x86-64-v3
+QMAKE_CXXFLAGS_RELEASE += -O3 -march=x86-64-v3
 QMAKE_CFLAGS_RELEASE -= -O2
-QMAKE_CFLAGS_RELEASE += -O3 -flto -march=x86-64-v3
-QMAKE_LFLAGS -= -O2
-QMAKE_LFLAGS += -O3 -flto -march=x86-64-v3
+QMAKE_CFLAGS_RELEASE += -O3 -march=x86-64-v3
+QMAKE_LFLAGS_RELEASE -= -O2
+QMAKE_LFLAGS_RELEASE -= -Wl,-O1
+QMAKE_LFLAGS_RELEASE += -O3 -march=x86-64-v3
 
 QMAKE_PROJECT_DEPTH = 0