diff --git a/local-bin.zsh b/local-bin.zsh
index 63ba495..7738783 100644
--- a/local-bin.zsh
+++ b/local-bin.zsh
@@ -1,7 +1,7 @@
 # Make sure we include this file only once
-if [ -z $LOCAL_BIN_ALREADY_SET ];
+if [ -z $ZSH_LOCAL_BIN_ALREADY_SET ];
 then
-        export LOCAL_BIN_ALREADY_SET=1
+        export ZSH_LOCAL_BIN_ALREADY_SET=1
         # set PATH so it includes user's private bin if it exists
         [ -d "$HOME/.local/bin" ] && PATH="$HOME/.local/bin:$PATH"
         [ -d "$HOME/bin" ] && PATH="$HOME/bin:$PATH"