diff --git a/browser/components/urlbar/content/UrlbarShared.mjs b/browser/components/urlbar/content/UrlbarShared.mjs
index 5522d8a8c8d9549453c1700ff6fec40be52747ce..7b8ad33cc337907249749074057254bf7e316994 100644
--- a/browser/components/urlbar/content/UrlbarShared.mjs
+++ b/browser/components/urlbar/content/UrlbarShared.mjs
@@ -32,6 +32,7 @@ export const UrlbarShared = {
     // `looksLikeOrigin()` returned `LOOKS_LIKE_ORIGIN.OTHER` for this token.
     // It may or may not be an origin.
     POSSIBLE_ORIGIN_BUT_SEARCH_ALLOWED: 12,
+    RESTRICT_WORKSPACE: 13,
   }),
 
   /**
@@ -52,6 +53,7 @@ export const UrlbarShared = {
     TITLE: "#",
     URL: "$",
     ACTION: ">",
+    WORKSPACE: "`",
   }),
 
   /**
@@ -68,6 +70,7 @@ export const UrlbarShared = {
     if (lazy.UrlbarPrefs.get("scotchBonnet.enableOverride")) {
       keys.push(this.RESTRICT_TOKENS.ACTION);
     }
+    keys.push(this.RESTRICT_TOKENS.WORKSPACE);
     return new Set(keys);
   },
 };
