Index: src/OFString.m
==================================================================
--- src/OFString.m
+++ src/OFString.m
@@ -255,11 +255,11 @@
 - setTo: (const char*)str
 {
 	size_t len;
 
 	if (string != NULL)
-		free(string);
+		[self freeMem: string];
 
 	len = strlen(str);
 
 	switch (check_utf8(str, len)) {
 	case 1: