Index: src/OFString.m
==================================================================
--- src/OFString.m
+++ src/OFString.m
@@ -583,11 +583,11 @@
 	len = [first cStringLength];
 	memcpy(string, [first cString], len);
 	i = len;
 
 	while ((component = va_arg(args, OFString*)) != nil) {
-		len = [component length];
+		len = [component cStringLength];
 		string[i] = OF_PATH_DELIM;
 		memcpy(string + i + 1, [component cString], len);
 		i += len + 1;
 	}