@@ -362,11 +362,11 @@
 	return [[[self alloc] initWithUTF16String: string
 					byteOrder: byteOrder
 					   length: length] autorelease];
 }
 
-+ stringWithFormat: (OFString*)format, ...
++ stringWithFormat: (OFConstantString*)format, ...
 {
 	id ret;
 	va_list arguments;
 
 	va_start(arguments, format);
@@ -834,11 +834,11 @@
 	}
 
 	return self;
 }
 
-- initWithFormat: (OFString*)format, ...
+- initWithFormat: (OFConstantString*)format, ...
 {
 	id ret;
 	va_list arguments;
 
 	va_start(arguments, format);
@@ -847,11 +847,11 @@
 	va_end(arguments);
 
 	return ret;
 }
 
-- initWithFormat: (OFString*)format
+- initWithFormat: (OFConstantString*)format
        arguments: (va_list)arguments
 {
 	self = [super init];
 
 	@try {