@@ -589,10 +589,15 @@
 @implementation OFMethodSignature
 + (instancetype)signatureWithObjCTypes: (const char*)types
 {
 	return [[[self alloc] initWithObjCTypes: types] autorelease];
 }
+
+- (instancetype)init
+{
+	OF_INVALID_INIT_METHOD
+}
 
 - (instancetype)initWithObjCTypes: (const char *)types
 {
 	self = [super init];