diff --git a/zebra/ioctl_solaris.c b/zebra/ioctl_solaris.c
index 82e39be..aa2b9a4 100644
--- a/zebra/ioctl_solaris.c
+++ b/zebra/ioctl_solaris.c
@@ -310,7 +310,7 @@
 void
 if_get_flags (struct interface *ifp)
 {
-  int ret4, ret6;
+  int ret4 = 0, ret6 = 0;
   uint64_t newflags = 0;
   uint64_t tmpflags;