diff --git a/src/helpers/promotions-helper.js b/src/helpers/promotions-helper.js
index a592a6d9d..ecdb433ff 100644
--- a/src/helpers/promotions-helper.js
+++ b/src/helpers/promotions-helper.js
@@ -149,16 +149,25 @@ export async function revalidatePromosAndValidateQueryStringPromo(
         } else if (!excludeFromInactivePromoErrorCodes.includes(validatePromoResponse.errorCode)) {
             // Save any valid query string promoCode (not applied) to inactivePromos
             //  in order to not lose the query string promoCode if back button is pressed
-            const inactivePromoCodes = store.getters.payment.inactivePromos ?? [];
-            if (!inactivePromoCodes.includes(newPromo)) {
-                inactivePromoCodes.push(newPromo);
-                baseMixin.methods.dispatchStoreAction(
-                    storeActions.SAVE_ACTIVE_AND_OR_INACTIVE_PROMOS,
-                    {
-                        inactivePromos: inactivePromoCodes,
-                    },
-                    false
-                );
+            const activePromoCodes = store.getters.order.lineItems.promos.map((promoObject) => {
+                return promoObject.promoCode.toUpperCase();
+            });
+            const isErrorPromoAlreadyOnOrder = activePromoCodes.includes(
+                validatePromoResponse.promoCode.toUpperCase()
+            );
+            // Do not save an inactivePromo if it is already active on the order
+            if (!isErrorPromoAlreadyOnOrder) {
+                const inactivePromoCodes = store.getters.payment.inactivePromos ?? [];
+                if (!inactivePromoCodes.includes(newPromo)) {
+                    inactivePromoCodes.push(newPromo);
+                    baseMixin.methods.dispatchStoreAction(
+                        storeActions.SAVE_ACTIVE_AND_OR_INACTIVE_PROMOS,
+                        {
+                            inactivePromos: inactivePromoCodes,
+                        },
+                        false
+                    );
+                }
             }
         }
     }