@@ -19,10 +19,15 @@
 #import "OFNotOpenException.h"
 #import "OFString.h"
 
 @implementation OFNotOpenException
 @synthesize object = _object;
+
++ (instancetype)exception
+{
+	OF_UNRECOGNIZED_SELECTOR
+}
 
 + (instancetype)exceptionWithObject: (id)object
 {
 	return [[[self alloc] initWithObject: object] autorelease];
 }