diff --git a/include/tests_networking b/include/tests_networking
index 22dbcb53..f52be0ac 100644
--- a/include/tests_networking
+++ b/include/tests_networking
@@ -530,7 +530,7 @@
             FOUNDPROMISC=0
             for I in ${NETWORK}; do
                 if [ ${USE_IP_INSTEAD_IFCONFIG} -eq 1 ]; then
-                    FIND=$(${IPBINARY} -o -d link show ${I} 2> /dev/null | ${GREPBINARY} 'promiscuity 1')
+                    FIND=$(${IPBINARY} -o -d link show ${I} 2> /dev/null | ${GREPBINARY} "promiscuity [1-9]")
                 else
                     FIND=$(${IFCONFIGBINARY} ${I} 2> /dev/null | ${GREPBINARY} PROMISC)
                 fi