diff --git a/usr.sbin/ndiscvt/ndiscvt.c b/usr.sbin/ndiscvt/ndiscvt.c
index 09f7faeb306..276a6ef7bfd 100644
--- a/usr.sbin/ndiscvt/ndiscvt.c
+++ b/usr.sbin/ndiscvt/ndiscvt.c
@@ -213,6 +213,7 @@ bincvt(char *sysfile, char *outfile, void *img, int fsize)
 	    tname, sysfile, tname, tname, sysfile, outfile, outfile);
 	printf("%s", sysbuf);
 	system(sysbuf);
+	free(outfile);
 
 	return;
 }