diff --git a/plugins/gcp/fix_plugin_gcp/resources/sqladmin.py b/plugins/gcp/fix_plugin_gcp/resources/sqladmin.py
index 483f3ca0d2..81fd6d2ee5 100644
--- a/plugins/gcp/fix_plugin_gcp/resources/sqladmin.py
+++ b/plugins/gcp/fix_plugin_gcp/resources/sqladmin.py
@@ -1,6 +1,6 @@
 import logging
 from datetime import datetime
-from typing import ClassVar, Dict, Optional, List, Type
+from typing import Any, ClassVar, Dict, Optional, List, Tuple, Type
 
 from attr import define, field
 
@@ -1072,7 +1072,7 @@ class GcpSqlUser(GcpResource):
     )
     reference_kinds: ClassVar[ModelReference] = {"predecessors": {"default": ["gcp_sql_database_instance"]}}
     mapping: ClassVar[Dict[str, Bender]] = {
-        "id": S("name").or_else(K("(anonymous)@") + S("host", default="localhost")),
+        "id": S("name").or_else(K("(anonymous)") + S("host", default="localhost")),
         "tags": S("labels", default={}),
         "name": S("name", default="(anonymous)"),
         "ctime": S("creationTimestamp"),
@@ -1104,5 +1104,8 @@ def connect_in_graph(self, builder: GraphBuilder, source: Json) -> None:
         if self.instance:
             builder.add_edge(self, reverse=True, clazz=GcpSqlDatabaseInstance)
 
+    def _keys(self) -> Tuple[Any, ...]:
+        return self.kind, self.cloud().id, self.account().id, self.region().id, self.zone().id, self.id, self.instance
+
 
 resources: List[Type[GcpResource]] = [GcpSqlDatabaseInstance]