diff --git a/opax-mcp/server.py b/opax-mcp/server.py
index 1cbaa98..d66a26c 100644
--- a/opax-mcp/server.py
+++ b/opax-mcp/server.py
@@ -180,12 +180,23 @@ async def create_issue(p):
     return await _gitea_post(f"/repos/{p.get('repo', GITEA_REPO)}/issues", {"title": p.get("title"), "body": p.get("body", "")})
 
 async def push_file(p):
-    repo    = p.get("repo", GITEA_REPO)
-    path    = p.get("path")
+    repo  = p.get("repo", GITEA_REPO)
+    path  = p.get("path")
     content = base64.b64encode(p.get("content", "").encode()).decode()
-    body = {"message": p.get("message", f"chore: oppdater {path} via opax-mcp"), "content": content, "branch": p.get("branch", "main")}
-    if p.get("sha"):
+    body = {
+        "message": p.get("message", f"chore: update {path} via opax-mcp"),
+        "content": content,
+        "branch":  p.get("branch", "main"),
+    }
+    if not p.get("sha"):
+        try:
+            existing = await _gitea_get(f"/repos/{repo}/contents/{path}?ref={p.get('branch','main')}")
+            body["sha"] = existing["sha"]
+        except Exception:
+            pass
+    else:
         body["sha"] = p["sha"]
+    if "sha" in body:
         return await _gitea_put(f"/repos/{repo}/contents/{path}", body)
     return await _gitea_post(f"/repos/{repo}/contents/{path}", body)