diff --git a/README.md b/README.md
index e27645c9..044a3cb8 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@
 cd /root
 curl -sL https://pan.do/ra-install > pandora_install.sh
 chmod +x pandora_install.sh
-BRANCH=stable # change to 'master' to get current developement version
+export BRANCH=stable # change to 'master' to get current developement version
 ./pandora_install.sh 2>&1 | tee pandora_install.log
 ```
 
diff --git a/vm/LXC_README.md b/vm/LXC_README.md
index 8f91e41e..440d412a 100644
--- a/vm/LXC_README.md
+++ b/vm/LXC_README.md
@@ -41,6 +41,6 @@
     cd /root
     curl -sL https://pan.do/ra-install > pandora_install.sh
     chmod +x pandora_install.sh
-    BRANCH=stable # or master
+    export BRANCH=stable # or master
     ./pandora_install.sh 2>&1 | tee pandora_install.log