diff --git a/packages/twenty-server/src/database/commands/upgrade-version-command/2-14/2-14-workspace-command-1799000040000-fix-standard-relation-field-labels-icons.command.ts b/packages/twenty-server/src/database/commands/upgrade-version-command/2-14/2-14-workspace-command-1799000040000-fix-standard-relation-field-labels-icons.command.ts
index 6a4dc76232..8db06781c0 100644
--- a/packages/twenty-server/src/database/commands/upgrade-version-command/2-14/2-14-workspace-command-1799000040000-fix-standard-relation-field-labels-icons.command.ts
+++ b/packages/twenty-server/src/database/commands/upgrade-version-command/2-14/2-14-workspace-command-1799000040000-fix-standard-relation-field-labels-icons.command.ts
@@ -132,6 +132,9 @@ export class FixStandardRelationFieldLabelsIconsCommand extends ActiveOrSuspende
           workspaceId,
           applicationUniversalIdentifier:
             twentyStandardFlatApplication.universalIdentifier,
+          // These default relation fields are system-owned; mutating their
+          // label/icon is only permitted under a system build.
+          isSystemBuild: true,
         },
       );