diff --git a/app/src/desktopthemes/cinnamontheme.cpp b/app/src/desktopthemes/cinnamontheme.cpp
index 9b4629edc83c1fff589cbd69b9aac3b29b71ccdb..4cc86ed063e21cb26b32c4f13fd58d2438c52886 100644
--- a/app/src/desktopthemes/cinnamontheme.cpp
+++ b/app/src/desktopthemes/cinnamontheme.cpp
@@ -32,7 +32,7 @@ bool CinnamonTheme::applyAsGtk3Theme() const
 
 bool CinnamonTheme::applyAsMetacityTheme() const
 {
-    return setConfig("org.cinnamon.desktop.wm.preferences", "name", themeName_);
+    return setConfig("org.cinnamon.desktop.wm.preferences", "theme", themeName_);
 }
 
 bool CinnamonTheme::applyAsCinnamonTheme() const