diff --git a/src/rrdtool.c b/src/rrdtool.c
index 56a82d0..ab66441 100644
--- a/src/rrdtool.c
+++ b/src/rrdtool.c
@@ -134,11 +134,14 @@ static int srrd_update (char *filename, char *template,
 		int argc, const char **argv)
 {
 	int status;
-
+        char *chp;
 	optind = 0; /* bug in librrd? */
 	rrd_clear_error ();
 
-	status = rrd_update_r (filename, template, argc, (void *) argv);
+        chp = strchr(argv[0], ':');
+        *--chp = '0';
+        
+        status = rrd_update_r (filename, template, argc, (void *) argv);
 
 	if (status != 0)
 	{