diff --git a/src/dnsmasq.c b/src/dnsmasq.c
index 4f9bf48..8fcbbda 100644
--- a/src/dnsmasq.c
+++ b/src/dnsmasq.c
@@ -199,7 +199,7 @@ int main (int argc, char **argv)
       /* Must have at least a root trust anchor, or the DNSSEC code
 	 can loop forever. */
       for (ds = daemon->ds; ds; ds = ds->next)
-	if (ds->name[0] == 0)
+	if (ds->name && ds->name[0] == 0)
 	  break;
 
       if (!ds)