diff --git a/README.md b/README.md
index b27e72c..6dffb35 100755
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ sudo apt install hisp
 Install on Debian via APT:
 ```
 sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 34F644BC70C746CE48139C595129317F33AE659C
-sudo echo 'deb http://deb.silica.codes debian main'>>/etc/sources.list
+sudo  bash -c 'echo 'deb http://deb.silica.codes debian main'>>/etc/sources.list'
 sudo apt update
 sudo apt install hisp
 ```