diff --git a/entrypoint.sh b/entrypoint.sh
index 87b28bc..766759b 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -28,7 +28,7 @@ _switch_to_repository() {
 }
 
 _git_is_dirty() {
-    [[ -n "$(git status -s)" ]]
+    [ -n "$(git status -s)" ]
 }
 
 # Set up git user configuration
diff --git a/index.js b/index.js
index 825e1a7..395d2ec 100644
--- a/index.js
+++ b/index.js
@@ -16,7 +16,7 @@ const exec = (cmd, args=[]) => new Promise((resolve, reject) => {
 });
 
 const main = async () => {
-    await exec('sh', [path.join(__dirname, './entrypoint.sh')]);
+    await exec('bash', [path.join(__dirname, './entrypoint.sh')]);
 };
 
 main().catch(err => {