diff --git a/src/kcmkwin/kwindesktop/package/contents/ui/main.qml b/src/kcmkwin/kwindesktop/package/contents/ui/main.qml
index 76f862776e..d6ab898718 100644
--- a/src/kcmkwin/kwindesktop/package/contents/ui/main.qml
+++ b/src/kcmkwin/kwindesktop/package/contents/ui/main.qml
@@ -269,6 +269,7 @@ KCM.ScrollViewKCM {
                     stepSize: 100
 
                     textFromValue: function(value, locale) { return i18n("%1 ms", value)}
+                    valueFromText: function(text, locale) {return Number.fromLocaleString(locale, text.split(" ")[0])}
 
                     value: kcm.virtualDesktopsSettings.popupHideDelay