diff --git a/bash/two-fer/two_fer.sh b/bash/two-fer/two_fer.sh
index 2d6d804..affd8da 100755
--- a/bash/two-fer/two_fer.sh
+++ b/bash/two-fer/two_fer.sh
@@ -1,3 +1,7 @@
 #!/usr/bin/env bash
 
-echo "One for ${1:-you}, one for me."
+main() {
+  echo "One for ${1:-you}, one for me."
+}
+
+main "$@"