diff --git a/Foundation/CPKeyValueCoding.j b/Foundation/CPKeyValueCoding.j
index d825aca..a1b5349 100644
--- a/Foundation/CPKeyValueCoding.j
+++ b/Foundation/CPKeyValueCoding.j
@@ -259,3 +259,23 @@ CPUnknownUserInfoKey        = @"CPUnknownUserInfoKey";
 }
 
 @end
+
+@implementation CPDictionary (CPKeyValueCoding)
+
+-(id)valueForKey:(CPString)key
+{
+	if([key hasPrefix:@"@"])
+		return [super valueForKey:[key substringFromIndex:1]];
+		
+	return [self objectForKey:key];
+}
+
+- (void)setValue:(id)value forKey:(CPString)key
+{
+	if(value)
+		[self setObject:value forKey:key];
+	else
+		[self removeObjectForKey:key];
+}
+
+@end