diff --git a/build.sh b/build.sh
index 2939d85..abd2f98 100644
--- a/build.sh
+++ b/build.sh
@@ -92,6 +92,7 @@ do
     process_templates "/etc/bind/$netname/" "$sigil_vars"
 
     echo $sigil_vars | tr ' ' '\n' > .env
+    docker-compose -p $netname down
     docker-compose -p $netname up -d --build --remove-orphans
     rm .env