diff --git a/entrypoint.sh b/entrypoint.sh
index 8dd7798..55d00bd 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -19,7 +19,7 @@ EOF
 }
 echo "Installing dependencies..."
 npm install
-npm install -g prettier
+npm install --global prettier
 echo "Prettifing files..."
 prettier $INPUT_PRETTIER_OPTIONS