diff --git a/frontend/components/transaction/BidTransaction.vue b/frontend/components/transaction/BidTransaction.vue
index 1cfdfa834..297269c4d 100644
--- a/frontend/components/transaction/BidTransaction.vue
+++ b/frontend/components/transaction/BidTransaction.vue
@@ -64,7 +64,8 @@
                 !isWalletConnected ||
                 !isEnoughDeposited ||
                 !isWalletAuthorizedCorrect ||
-                !isCollateralAuthorized
+                !isCollateralAuthorized ||
+                isAmountToReceiveUknown
             "
             :is-loading="isExecuting"
             :is-explanations-shown="isExplanationsShown"
@@ -183,6 +184,9 @@ export default Vue.extend({
                 this.auctionTransaction
             );
         },
+        isAmountToReceiveUknown(): boolean {
+            return this.amountToReceive?.isNaN();
+        },
     },
 });
 </script>