diff --git a/kcmkwin/kwincompositing/main.cpp b/kcmkwin/kwincompositing/main.cpp
index 7d10fe953c..c8693da8ae 100644
--- a/kcmkwin/kwincompositing/main.cpp
+++ b/kcmkwin/kwincompositing/main.cpp
@@ -415,7 +415,7 @@ void KWinCompositingConfig::loadAdvancedTab()
 
         if (config.readEntry<bool>("GLLegacy", false))
             index = OPENGL12_INDEX;
-        else if (config.readEntry<bool>("GCCore", false))
+        else if (config.readEntry<bool>("GLCore", false))
             index = OPENGL31_INDEX;
 
         ui.compositingType->setCurrentIndex(index);