diff --git a/tasks/concourse-build/run.sh b/tasks/concourse-build/run.sh
index 2164bbc8..2a190420 100755
--- a/tasks/concourse-build/run.sh
+++ b/tasks/concourse-build/run.sh
@@ -69,7 +69,7 @@ pushd $output
   if [ "$GOOS" = "windows" ]; then
     archive=concourse-${version}.${GOOS}.${GOARCH}.zip
     apt-get update && apt-get install -y zip
-    zip "$archive" concourse
+    zip -r "$archive" concourse
   elif [ "$GOOS" = "darwin" ]; then
     archive=concourse-${version}.${GOOS}.${GOARCH}.tgz
     tar -czf "$archive" concourse