diff --git a/apps/scandic-web/components/Forms/BookingWidget/FormContent/BookingCode/index.tsx b/apps/scandic-web/components/Forms/BookingWidget/FormContent/BookingCode/index.tsx
index 05c44da3d..dfdc6957d 100644
--- a/apps/scandic-web/components/Forms/BookingWidget/FormContent/BookingCode/index.tsx
+++ b/apps/scandic-web/components/Forms/BookingWidget/FormContent/BookingCode/index.tsx
@@ -290,7 +290,22 @@ function BookingCodeError({ codeError }: { codeError: FieldError }) {
           }
           className={styles.errorIcon}
         />
-        {getErrorMessage(intl, codeError.message)}
+        {codeError.message === bookingWidgetErrors.BOOKING_CODE_ONLY_ENGLISH ? (
+          // eslint-disable-next-line formatjs/no-literal-string-in-jsx
+          <div>
+            {/* eslint-disable-next-line formatjs/no-literal-string-in-jsx */}
+            {/* eslint-disable-next-line formatjs/no-literal-string-in-jsx */}
+            Dieser Code ist nur auf unserer{" "}
+            {/* eslint-disable-next-line formatjs/no-literal-string-in-jsx */}
+            <a href="https://www.scandichotels.com" target="_blank">
+              englischen Website
+              {/* eslint-disable-next-line formatjs/no-literal-string-in-jsx */}
+            </a>{" "}
+            gültig
+          </div>
+        ) : (
+          getErrorMessage(intl, codeError.message)
+        )}
       </Caption>
       {isMultiroomErr ? (
         <RemoveExtraRooms className={styles.hideOnMobile} />
diff --git a/apps/scandic-web/components/Forms/BookingWidget/schema.ts b/apps/scandic-web/components/Forms/BookingWidget/schema.ts
index 4d3d71468..d31e7782f 100644
--- a/apps/scandic-web/components/Forms/BookingWidget/schema.ts
+++ b/apps/scandic-web/components/Forms/BookingWidget/schema.ts
@@ -9,6 +9,7 @@ export const bookingWidgetErrors = {
   BED_CHOICE_REQUIRED: "BED_CHOICE_REQUIRED",
   CHILDREN_EXCEEDS_ADULTS: "CHILDREN_EXCEEDS_ADULTS",
   BOOKING_CODE_INVALID: "BOOKING_CODE_INVALID",
+  BOOKING_CODE_ONLY_ENGLISH: "BOOKING_CODE_ONLY_ENGLISH",
   REQUIRED: "REQUIRED",
   DESTINATION_REQUIRED: "DESTINATION_REQUIRED",
   MULTIROOM_BOOKING_CODE_UNAVAILABLE: "MULTIROOM_BOOKING_CODE_UNAVAILABLE",
@@ -60,6 +61,9 @@ export const bookingCodeSchema = z
           ),
         { message: bookingWidgetErrors.BOOKING_CODE_INVALID }
       )
+      .refine((value) => !value.startsWith("B") && !value.startsWith("b"), {
+        message: bookingWidgetErrors.BOOKING_CODE_ONLY_ENGLISH,
+      })
       .default(""),
     remember: z.boolean().default(false),
     flag: z.boolean().default(false),