--- libcprops-0.1.12/log.c.orig	2012-12-15 19:49:54.141941168 +0200

+++ libcprops-0.1.12/log.c	2012-12-15 19:50:17.081693590 +0200

@@ -274,7 +274,7 @@

 	va_end(argp);

 	buf[len] = '\0';

-	fprintf(logfile, buf);

+	fprintf(logfile, "%s", buf);

 	free(buf);

 }