--- a/Tools/qmake/mkspecs/features/features.pri	2015-10-13 06:37:06.000000000 +0200
+++ b/Tools/qmake/mkspecs/features/features.pri	2015-11-06 22:46:11.560693169 +0100
@@ -70,6 +70,7 @@ FEATURE_DEFAULTS = \
     ENABLE_INPUT_TYPE_WEEK=0 \
     ENABLE_INSPECTOR=1 \
     ENABLE_INSPECTOR_SERVER=1 \
+    ENABLE_JIT=0 \
     ENABLE_JAVASCRIPT_DEBUGGER=1 \
     ENABLE_LEGACY_CSS_VENDOR_PREFIXES=0 \
     ENABLE_LEGACY_NOTIFICATIONS=1 \