diff --git a/packages/network/connman/profile.d/connman.conf b/packages/network/connman/profile.d/connman.conf
index fdcce275e1..7c24b7e46b 100644
--- a/packages/network/connman/profile.d/connman.conf
+++ b/packages/network/connman/profile.d/connman.conf
@@ -25,7 +25,7 @@ wait_for_inet_addr () {
     if [ "$WAIT_NETWORK" = "true" ] ; then
       progress "Wait for network"
       [ -z "$WAIT_NETWORK_TIME" ] && WAIT_NETWORK_TIME=10
-      LOOP_COUNT=$[$WAIT_NETWORK_TIME * 5]
+      LOOP_COUNT=$((WAIT_NETWORK_TIME * 5))
       for i in $(seq 1 $LOOP_COUNT) ; do
         cnt=$(ifconfig | sed -e '/inet addr:/!d' -e '/127.0.0.1/d' |wc -l)
         [ $cnt -gt 0 ] && break