diff --git a/Test/ForwardDeclareProtocol.m b/Test/ForwardDeclareProtocol.m
index 89a7f6f..32ebc41 100644
--- a/Test/ForwardDeclareProtocol.m
+++ b/Test/ForwardDeclareProtocol.m
@@ -1,3 +1,4 @@
+#pragma clang diagnostic ignored "-Wat-protocol"
 @protocol P;
 
 Protocol *getProtocol(void)