diff --git a/kconf_update/kwin.upd b/kconf_update/kwin.upd
index 7072156c4..e44f1cf2c 100644
--- a/kconf_update/kwin.upd
+++ b/kconf_update/kwin.upd
@@ -1,39 +1,39 @@
 Version=5
 
 # Replace old Scale in effect with Scale effect.
 Id=replace-scalein-with-scale
 File=kwinrc
 Group=Plugins
 Key=kwin4_effect_scaleinEnabled,scaleEnabled
 
 # Port the Minimize Animation effect to JavaScript.
 Id=port-minimizeanimation-effect-to-js
 File=kwinrc
 Group=Plugins
 Key=minimizeanimationEnabled,kwin4_effect_squashEnabled
 
 # Port the Scale effect to JavaScript.
 Id=port-scale-effect-to-js
 File=kwinrc
 Group=Effect-Scale,Effect-kwin4_effect_scale
 AllKeys
 Group=Plugins
 Key=scaleEnabled,kwin4_effect_scaleEnabled
 
 # Port the Dim Screen effect to JavaScript.
 Id=port-dimscreen-effect-to-js
 File=kwinrc
 Group=Plugins
 Key=dimscreenEnabled,kwin4_effect_dimscreenEnabled
 
 # Deactivate auto border size if the user has changed border size in the past
 Id=auto-bordersize
 File=kwinrc
 Group=org.kde.kdecoration2
 Script=kwin-5.16-auto-bordersize.sh,sh
 
 # Move AnimationSpeed to kdeglobals as AnimationDurationFactor converting to a useful value
 Id=animation-speed
 File=kwinrc,kdeglobals
 Group=Compositing,KDE
-Script=kwin-5.18-move-animspeed.py,python
+Script=kwin-5.18-move-animspeed.py,python3