diff --git a/CMakeLists.txt b/CMakeLists.txt
index f0ab570b9..6ac58f418 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -494,6 +494,7 @@ add_definitions(
   -DQT_NO_FOREACH
   -DQT_ASCII_CAST_WARNINGS
   -DQT_NO_CAST_FROM_ASCII
+  -DQT_NO_SIGNALS_SLOTS_KEYWORDS
 )
 
 if(WIN32)