diff --git a/CMakeLists.txt b/CMakeLists.txt
index 513231032..152cf1066 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -33,8 +33,8 @@ ENDIF()
 ##############################################################################
 
 #include(${QT_USE_FILE})
-#set( QT_DEFINITIONS "${QT_DEFINITIONS} -DQT_NO_DEBUG_OUTPUT" )
-set( QT_DEFINITIONS "${QT_DEFINITIONS}" )
+set( QT_DEFINITIONS "${QT_DEFINITIONS} -DQT_NO_DEBUG_OUTPUT" )
+#set( QT_DEFINITIONS "${QT_DEFINITIONS}" )
 add_definitions(${QT_DEFINITIONS})
 
 if(MSVC)