diff --git a/share/apps.json b/share/apps.json
index 339ea8165..909aa2898 100644
--- a/share/apps.json
+++ b/share/apps.json
@@ -3387,7 +3387,7 @@
 		"Snap": {
 			"website": "snapframework.com",
 			"cats": [ 18, 22 ],
-			"headers": { "Server": "Snap/\\d+(\\.\\d+)+" },
+			"headers": { "Server": "Snap/\d+(\.\d+)+" },
 			"implies": "Haskell"
 		},
 		"Snap.svg": {
@@ -4250,7 +4250,7 @@
 		"Yesod": {
 			"website": "www.yesodweb.com",
 			"cats": [ 18, 22 ],
-			"headers": { "Server": "^Warp/\\d+(\\.\\d+)+" },
+			"headers": { "Server": "Warp/\d+(\.\d+)+" },
 			"implies": "Haskell"
 		},
 		"Yieldlab": {