diff --git a/src/config/ConfigManager.cpp b/src/config/ConfigManager.cpp
index 5bbcfc00..de8e87af 100644
--- a/src/config/ConfigManager.cpp
+++ b/src/config/ConfigManager.cpp
@@ -67,7 +67,7 @@ void CConfigManager::setDefaultVars() {
     configValues["decoration:blur_size"].intValue = 8;
     configValues["decoration:blur_passes"].intValue = 1;
     configValues["decoration:blur_ignore_opacity"].intValue = 0;
-    configValues["decoration:blur_new_optimizations"].intValue = 1;
+    configValues["decoration:blur_new_optimizations"].intValue = 0;
     configValues["decoration:active_opacity"].floatValue = 1;
     configValues["decoration:inactive_opacity"].floatValue = 1;
     configValues["decoration:fullscreen_opacity"].floatValue = 1;