diff --git a/dk b/dk
index c69c817..632786f 100755
--- a/dk
+++ b/dk
@@ -247,6 +247,9 @@ parse_args "$@"; set -- "${args[@]}"
 
 [ -n "$chdir" ] && { cd "$chdir" || die; }
 
+# construire par défaut
+[ $# -eq 0 ] && set -- build
+
 while [ $# -gt 0 ]; do
     [ "$1" == -- ] && { shift; continue; }
     cmd="$1"; shift