Index: tests/ForwardingTests.m
==================================================================
--- tests/ForwardingTests.m
+++ tests/ForwardingTests.m
@@ -45,11 +45,11 @@
 	forwardings++;
 
 	if (sel_isEqual(selector, @selector(test))) {
 		[self replaceClassMethod: @selector(test)
 		      withImplementation: (IMP)test
-			    typeEncoding: "v@:"];
+			    typeEncoding: "v#:"];
 		return YES;
 	}
 
 	return NO;
 }