diff --git a/webextensions/api/scripting.json b/webextensions/api/scripting.json
index cfee97ba77be7e..b621860d764f5c 100644
--- a/webextensions/api/scripting.json
+++ b/webextensions/api/scripting.json
@@ -216,7 +216,7 @@
                   "firefox_android": "mirror",
                   "opera": "mirror",
                   "safari": {
-                    "version_added": false
+                    "version_added": "17.4"
                   },
                   "safari_ios": "mirror"
                 }