diff --git a/src/chip.cs b/src/chip.cs
index f7fd05be18cd..ccc5d5ca590a 100644
--- a/src/chip.cs
+++ b/src/chip.cs
@@ -1649,7 +1649,7 @@ interface ChipDeviceController
 		bool Startup ([NullAllowed] IChipPersistentStorageDelegate storageDelegate);
 
 		[Export ("shutdown")]
-		bool Shutdown();
+		bool Shutdown ();
 	}
 
 	[Mac (12,0), Watch (8,0), TV (15,0), iOS (15,0), MacCatalyst (15,0)]