diff --git a/kwin/scripts/convergentwindows/contents/ui/main.qml b/kwin/scripts/convergentwindows/contents/ui/main.qml
index ff00a391..9488797a 100644
--- a/kwin/scripts/convergentwindows/contents/ui/main.qml
+++ b/kwin/scripts/convergentwindows/contents/ui/main.qml
@@ -13,20 +13,24 @@ Loader {
         if (ShellSettings.Settings.convergenceModeEnabled) {
             window.noBorder = false;
         } else {
-            const output = window.output;
-            const desktop = window.desktops[0]; // assume it's the first desktop that the window is on
-            const maximizeRect = KWinComponents.Workspace.clientArea(KWinComponents.Workspace.MaximizeArea, output, desktop);
-            
-            // set the window to the maximized size and position instantly, avoiding race condition 
-            // between maximizing and window decorations being turned off (changing window height)
-            // see: https://invent.kde.org/teams/plasma-mobile/issues/-/issues/256
-            window.frameGeometry = maximizeRect;
+            if (!window.fullScreen) {
+                const output = window.output;
+                const desktop = window.desktops[0]; // assume it's the first desktop that the window is on
+                const maximizeRect = KWinComponents.Workspace.clientArea(KWinComponents.Workspace.MaximizeArea, output, desktop);
+                    
+                // set the window to the maximized size and position instantly, avoiding race condition 
+                // between maximizing and window decorations being turned off (changing window height)
+                // see: https://invent.kde.org/teams/plasma-mobile/issues/-/issues/256
+                window.frameGeometry = maximizeRect;
+            }
 
             // turn off window decorations
             window.noBorder = true;
 
-            // run maximize after to ensure the state is maximized
-            window.setMaximize(true, true);
+            if (!window.fullScreen) {
+                // run maximize after to ensure the state is maximized
+                window.setMaximize(true, true);
+            }
         }
     }