diff --git a/backend/schema/components/proxy-host-object.json b/backend/schema/components/proxy-host-object.json
index 9e174042e..51f209ebb 100644
--- a/backend/schema/components/proxy-host-object.json
+++ b/backend/schema/components/proxy-host-object.json
@@ -43,8 +43,7 @@
 			"$ref": "../common.json#/properties/domain_names"
 		},
 		"forward_host": {
-			"type": "string",
-			"pattern": "^(([^.]+\\.)+[^.]+)|(\\[[0-9a-f:]+\\])$"
+			"type": "string"
 		},
 		"forward_port": {
 			"type": "integer",