@@ -47,12 +47,11 @@
 					@throw [OFOutOfRangeException
 					    exception];
 
 				newSize = OF_ROUND_UP_POW2(8, c + 1) / 8;
 
-				_bitset = [self resizeMemory: _bitset
-							size: newSize];
+				_bitset = of_realloc(_bitset, newSize, 1);
 				memset(_bitset + _size, '\0', newSize - _size);
 
 				_size = newSize;
 			}
 
@@ -65,14 +64,21 @@
 		@throw e;
 	}
 
 	return self;
 }
+
+- (void)dealloc
+{
+	free(_bitset);
+
+	[super dealloc];
+}
 
 - (bool)characterIsMember: (of_unichar_t)character
 {
 	if (character / 8 >= _size)
 		return false;
 
 	return of_bitset_isset(_bitset, character);
 }
 @end