diff --git a/resources/scripts/napseer_mcp_server.py b/resources/scripts/napseer_mcp_server.py
index 81b82a6..f506650 100755
--- a/resources/scripts/napseer_mcp_server.py
+++ b/resources/scripts/napseer_mcp_server.py
@@ -7693,7 +7693,7 @@ def guarded_node_patch(args):
             payload[key] = args[key]
     result = request_project_write(
         "PATCH",
-        f"/v1/projects/{project_id}/nodes/{urllib.parse.quote(node_id, safe='')}",
+        f"/v1/projects/{project_id}/nodes/{urllib.parse.quote(node_id, safe='')}/patch",
         payload,
         project_id,
         f"guarded patch node {existing.get('full_path') or node_id}",
diff --git a/tests/test_mcp_memory_ergonomics_helpers.py b/tests/test_mcp_memory_ergonomics_helpers.py
index 0c85248..4cd0744 100644
--- a/tests/test_mcp_memory_ergonomics_helpers.py
+++ b/tests/test_mcp_memory_ergonomics_helpers.py
@@ -304,7 +304,7 @@ def test_mutation_tools_reject_path_and_patch_by_node_id(mod):
         "set": {"metadata": {"status": "active"}},
     })
     assert patched["id"] == "node-123"
-    assert writes[-1][1] == "/v1/projects/project-1/nodes/node-123"
+    assert writes[-1][1] == "/v1/projects/project-1/nodes/node-123/patch"
 
     archived = mod.archive_node_by_path({"node_id": "node-123"})
     assert archived["archived"] is True