diff --git a/src/apps.json b/src/apps.json
index eb0a508aa..f1cf51d81 100644
--- a/src/apps.json
+++ b/src/apps.json
@@ -562,7 +562,7 @@
         61
       ],
       "html": [
-        "<form[^>]+?action=\"[^\"]*airform\.io[^>]+?>"
+        "<form[^>]+?action=\"[^\"]*airform\\.io[^>]+?>"
       ],
       "icon": "Airform.svg",
       "website": "https://airform.io"