diff --git a/server/routers/resource/updateResource.ts b/server/routers/resource/updateResource.ts
index 13c5220d..a5e50bbb 100644
--- a/server/routers/resource/updateResource.ts
+++ b/server/routers/resource/updateResource.ts
@@ -307,7 +307,7 @@ async function updateHttpResource(
         }
     }
 
-    let headers = null;
+    let headers = resource.headers;
     if (updateData.headers) {
         headers = JSON.stringify(updateData.headers);
     }