diff --git a/build.sh b/build.sh
index 389f55c..ded750d 100644
--- a/build.sh
+++ b/build.sh
@@ -20,6 +20,7 @@ while [ $# -gt 0 ]; do
         exit 2
         ;;
     esac
+    shift
 done
 
 if [ -z "${base-}" ]; then