diff --git a/README.md b/README.md
index 230e9ee..6c55c58 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,7 @@ sudo zypper in systray-x
 ```bash
 wget -q https://download.opensuse.org/repositories/home:/Ximi1970:/Mozilla:/Add-ons/xUbuntu_19.10/Release.key
 sudo apt-key add Release.key
-sudo bash -c "echo 'deb https://download.opensuse.org/repositories/home:/Ximi1970:/Mozilla:/Add-ons/xUbuntu_19.10 ./" > /etc/apt/source.list.d/systray-x.list'
+sudo bash -c 'echo "deb https://download.opensuse.org/repositories/home:/Ximi1970:/Mozilla:/Add-ons/xUbuntu_19.10 ./" > /etc/apt/source.list.d/systray-x.list'
 sudo apt update
 sudo apt install systray-x
 ```