@@ -104,11 +104,11 @@
 
 	return utf8;
 }
 
 size_t
-of_string_unicode_to_utf8(uint32_t c, uint8_t *buf)
+of_string_unicode_to_utf8(uint32_t c, char *buf)
 {
 	if (c < 0x80) {
 		buf[0] = c;
 		return 1;
 	}