diff --git a/modules.d/40network/net-lib.sh b/modules.d/40network/net-lib.sh
index 1e7f1b3..7b93f25 100755
--- a/modules.d/40network/net-lib.sh
+++ b/modules.d/40network/net-lib.sh
@@ -463,7 +463,7 @@ ip_to_var() {
         #         ip=<ipv4-address> means anaconda-style static config argument cluster
         autoconf="$1"
 
-        if strstr "$autoconf" "*.*.*.*"; then
+        if strglob "$autoconf" "*.*.*.*"; then
             # ip=<ipv4-address> means anaconda-style static config argument cluster:
             # ip=<ip> gateway=<gw> netmask=<nm> hostname=<host> mtu=<mtu>
             # ksdevice={link|bootif|ibft|<MAC>|<ifname>}