diff --git a/core/src/com/unciv/ui/screens/worldscreen/TechPolicyDiplomacyButtons.kt b/core/src/com/unciv/ui/screens/worldscreen/TechPolicyDiplomacyButtons.kt
index f6f39b8f11..b02bbf452d 100644
--- a/core/src/com/unciv/ui/screens/worldscreen/TechPolicyDiplomacyButtons.kt
+++ b/core/src/com/unciv/ui/screens/worldscreen/TechPolicyDiplomacyButtons.kt
@@ -119,7 +119,7 @@ class TechPolicyDiplomacyButtons(val worldScreen: WorldScreen) : Table(BaseScree
 
     private fun updateUndoButton() {
         // Don't show the undo button if there is no action to undo
-        if (worldScreen.gameInfo != worldScreen.preActionGameInfo) {
+        if (worldScreen.gameInfo != worldScreen.preActionGameInfo && worldScreen.canChangeState) {
             undoButtonHolder.touchable = Touchable.enabled
             undoButtonHolder.actor = undoButton
         } else {