diff --git a/README.md b/README.md
index 34d1754..e0ec296 100644
--- a/README.md
+++ b/README.md
@@ -294,7 +294,7 @@ Then edit the newly created scheme to make it use a different env file. From the
 - Click "Pre-actions", and under the plus sign select "New Run Script Action"
 - Where it says "Type a script or drag a script file", type:
   ```
-  cp ${PROJECT_DIR}/../.env.staging ${PROJECT_DIR}/../.env  # replace .env.staging for your file
+  cp "${PROJECT_DIR}/../.env.staging" "${PROJECT_DIR}/../.env"  # replace .env.staging for your file
   ```
 Also ensure that "Provide build settings from", just above the script, has a value selected so that PROJECT_DIR is set.