diff --git a/PiSugar2-Pro.md b/PiSugar2-Pro.md
index b9f47ac..080b402 100644
--- a/PiSugar2-Pro.md
+++ b/PiSugar2-Pro.md
@@ -48,7 +48,7 @@ So here comes PiSugar2 Pro, a special PiSugar version for Raspberry Pi 2/3A/3B/3
 Run the following script on your pi:
 
 ```
-curl http://cdn.pisugar.com/release/Pisugar-power-manager.sh | sudo sh
+curl http://cdn.pisugar.com/release/Pisugar-power-manager.sh | sudo bash
 ```
 After finished, you can manage the battery by visiting http://\<your raspberry ip\>:8421 in your browser.