diff --git a/cx-conndev b/cx-conndev
index 2383dde..d5b2118 100755
--- a/cx-conndev
+++ b/cx-conndev
@@ -44,10 +44,15 @@ fi
 
 ###
 
-setx cid=docker-compose ps -q "$service" 2>/dev/null || die "$service: service introuvable"
+function die_not_found() { die "$service: service introuvable"; }
+setx cid=docker-compose ps -q "$service" 2>/dev/null || die_not_found
+[ -n "$cid" ] || die_not_found
+edebug "$service id: $cid"
 
-setx ip=docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' "$cid"
-edebug "$service: $ip"
+function die_not_found() { die "$service: $cid: ip introuvable"; }
+setx ip=docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' "$cid" || die_not_found
+[ -n "$ip" ] || die_not_found
+edebug "$service ip: $ip"
 
 mysqlcmd="$(php bin/conndev.php "$ip" "$@")"
 edebug "mysqlcmd: $mysqlcmd"