diff --git a/alpine.sh b/alpine.sh
index 274b545..922f3ee 100644
--- a/alpine.sh
+++ b/alpine.sh
@@ -17,11 +17,11 @@ main() {
 }
 
 while [ ${#} -gt 0 ]; do
-  case ${1} in
+	case ${1} in
 		--help) showHelp; exit 0;;
 		-b | --base-url) BASE_URL="${2}"; shift;;
 		*) shift;;
-  esac
+	esac
 done
 
 main