diff --git a/Software/grab/grab.pro b/Software/grab/grab.pro
index 030aa9d4..4db2cec0 100644
--- a/Software/grab/grab.pro
+++ b/Software/grab/grab.pro
@@ -102,8 +102,9 @@ win32 {
         LIBS += -lprismatik-hooks -llibraryinjector -lprismatik-unhook
 
         # emulate every other compiler, __SSE4_1__ is defined when AVX2 is enabled (and __AVX2__ is also defined)
-        DEFINES += __SSE4_1__
-        QMAKE_CXXFLAGS += $$QMAKE_CFLAGS_AVX2
+        DEFINES += __SSE4_1__ __AVX2__
+        # causes global vectorization, enable if your target CPU has AVX2
+        # QMAKE_CXXFLAGS += $$QMAKE_CFLAGS_AVX2
     }
 
     contains(DEFINES,NIGHTLIGHT_SUPPORT) {