diff --git a/ghost/core/core/shared/config/defaults.json b/ghost/core/core/shared/config/defaults.json
index 510b2311b5..6d1ef71da5 100644
--- a/ghost/core/core/shared/config/defaults.json
+++ b/ghost/core/core/shared/config/defaults.json
@@ -202,7 +202,7 @@
     },
     "signupForm": {
         "url": "https://cdn.jsdelivr.net/ghost/signup-form@~{version}/umd/signup-form.min.js",
-        "version": "0.0"
+        "version": "0"
     },
     "tenor": {
         "googleApiKey": null,