@@ -19,20 +19,20 @@
 #include <stdlib.h>
 #include <string.h>
 #include <assert.h>
 
 #import "OFMutableUTF8String.h"
+#import "OFASPrintF.h"
 #import "OFString.h"
 #import "OFUTF8String.h"
 
 #import "OFInvalidArgumentException.h"
 #import "OFInvalidEncodingException.h"
 #import "OFInvalidFormatException.h"
 #import "OFOutOfMemoryException.h"
 #import "OFOutOfRangeException.h"
 
-#import "of_asprintf.h"
 #import "unicode.h"
 
 @implementation OFMutableUTF8String
 + (void)initialize
 {
@@ -413,11 +413,11 @@
 	int UTF8StringLength;
 
 	if (format == nil)
 		@throw [OFInvalidArgumentException exception];
 
-	if ((UTF8StringLength = of_vasprintf(&UTF8String, format.UTF8String,
+	if ((UTF8StringLength = OFVASPrintF(&UTF8String, format.UTF8String,
 	    arguments)) == -1)
 		@throw [OFInvalidFormatException exception];
 
 	@try {
 		[self appendUTF8String: UTF8String length: UTF8StringLength];