diff --git a/src/utils/patches.ts b/src/utils/patches.ts
index 53cf05dbc..70f1f3b5d 100644
--- a/src/utils/patches.ts
+++ b/src/utils/patches.ts
@@ -22,10 +22,10 @@ import { Patch, PatchReplacement, ReplaceFn } from "./types";
 export function canonicalizeMatch<T extends RegExp | string>(match: T): T {
     let partialCanon = typeof match === "string" ? match : match.source;
     partialCanon = partialCanon.replaceAll(/#{intl::([\w$+/]*)(?:::(\w+))?}/g, (_, key, modifier) => {
-        const hashed = modifier === "raw" ? key : runtimeHashMessageKey(key);
-        if (modifier === "hash") return hashed;
-
         const isString = typeof match === "string";
+        const hashed = modifier === "raw" ? key : runtimeHashMessageKey(key);
+        if (modifier === "hash") return isString ? hashed : String.raw`(?:${hashed})`.replaceAll("+", "\\+");
+
         const hasSpecialChars = !Number.isNaN(Number(hashed[0])) || hashed.includes("+") || hashed.includes("/");
 
         if (hasSpecialChars) {