diff --git a/src/apps.json b/src/apps.json
index 7591e6326..6adadb87c 100755
--- a/src/apps.json
+++ b/src/apps.json
@@ -4638,7 +4638,7 @@
 		},
 		"Mattermost": {
 			"cats": [
-				55
+				2
 			],
 			"env": "mm_(?:config|license|user|current_user_id)",
 			"html": "<noscript> To use Mattermost, please enable JavaScript. </noscript>",
@@ -9960,4 +9960,4 @@
 		"51": "Landing Page Builders",
 		"52": "Live Chat"
 	}
-}
\ No newline at end of file
+}