diff --git a/kcmkwin/kwincompositing/CMakeLists.txt b/kcmkwin/kwincompositing/CMakeLists.txt
index cf306e5333..e43f00bbae 100644
--- a/kcmkwin/kwincompositing/CMakeLists.txt
+++ b/kcmkwin/kwincompositing/CMakeLists.txt
@@ -23,7 +23,7 @@ find_package(Qt5Core REQUIRED NO_MODULE)
 
 find_package(Qt5Quick REQUIRED NO_MODULE)
 
-add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0 -std=c++11)
+add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0 -std=c++0x)
 
 if(KDE_PLATFORM_FEATURE_DISABLE_DEPRECATED)
    set(KDE_NO_DEPRECATED TRUE)