diff --git a/exercises/boot_from_volume.sh b/exercises/boot_from_volume.sh
index a3a14eb..36524ed 100755
--- a/exercises/boot_from_volume.sh
+++ b/exercises/boot_from_volume.sh
@@ -174,7 +174,8 @@
 fi
 
 # Get the instance IP
-IP=$(nova show $VM_UUID | grep "$PRIVATE_NETWORK_NAME" | get_field 2)
+IP=$(get_instance_ip $VM_UUID $PRIVATE_NETWORK_NAME)
+
 die_if_not_set $LINENO IP "Failure retrieving IP address"
 
 # Private IPs can be pinged in single node deployments