diff --git a/lang/en.json b/lang/en.json
index b9a81b29..e24eef0f 100755
--- a/lang/en.json
+++ b/lang/en.json
@@ -3253,7 +3253,8 @@
                 "knowTheTide": "Know The Tide gained a token",
                 "lackingItemTransferPermission": "User {user} lacks owner permission needed to transfer items to {target}",
                 "noTokenTargeted": "No token is targeted",
-                "behaviorRegionRequiresGM": "Creating a Region with an attached Behavior requires an online GM"
+                "behaviorRegionRequiresGM": "Creating a Region with an attached Behavior requires an online GM",
+                "comboDiceOnlyTwoDiceError": "Combo dice functionality only works on a single pair of two dice"
             },
             "Progress": {
                 "migrationLabel": "Performing system migration. Please wait and do not close Foundry."
diff --git a/module/dice/die/baseDie.mjs b/module/dice/die/baseDie.mjs
index d0de4582..0798db26 100644
--- a/module/dice/die/baseDie.mjs
+++ b/module/dice/die/baseDie.mjs
@@ -17,7 +17,10 @@ export default class BaseDie extends foundry.dice.terms.Die {
 
     async handleComboDice(maxIncreasesDiceSize) {
         /* ComboDice only works with exactly two dice and both have to be the same denomination */
-        if (this.number !== 2) return false;
+        if (this.number !== 2) {
+            ui.notifications.warn(game.i18n.localize('DAGGERHEART.UI.Notifications.comboDiceOnlyTwoDiceError'));
+            return false;
+        }
 
         const result = await this.continueCombo(maxIncreasesDiceSize);