diff --git a/zsh/zshrc b/zsh/zshrc
index cb57024..2429bc3 100644
--- a/zsh/zshrc
+++ b/zsh/zshrc
@@ -123,11 +123,11 @@ autoload -U colors && colors
 case $( uname ) in
 	( *[Ll]inux*  )
 		case "$HOSTNAME" in
-			( vmp*    ) host='cluster';;  # Auto-detect whether we're running on the
-			( vpac*   ) host='astro';;    # ACCRE cluster or the VPAC network at
-			( *       ) host='linux';;    # Vanderbilt, and set options appropriately
+			( vmp*    ) hostenv='cluster';;  # Auto-detect whether we're running on the
+			( vpac*   ) hostenv='astro';;    # ACCRE cluster or the VPAC network at
+			( *       ) hostenv='linux';;    # Vanderbilt, and set options appropriately
 		esac;;
-	( *[Dd]arwin* ) host='osx';;
+	( *[Dd]arwin* ) hostenv='osx';;
 	( *           ) echo 'running on unknown host' && return;;
 esac
 
@@ -138,7 +138,7 @@ esac
 #~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 
-if [[ $host == cluster ]]; then
+if [[ $hostenv == cluster ]]; then
 	setpkgs -a gcc_compiler
 	setpkgs -a intel_compiler
 	setpkgs -a fftw2-mpich2_gcc_ether
@@ -166,7 +166,7 @@ fi
 
 typeset -U path
 
-case "$host" in
+case "$hostenv" in
 	( cluster )
 		path=(/usr/local/supermongo/bin                     # Supermongo path
 		      /usr/local/cuda/bin                           # Nvidia CUDA path
@@ -225,7 +225,7 @@ export path
 #~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 
-if [[ $host == osx ]]; then
+if [[ $hostenv == osx ]]; then
 	export EDITOR='vim'                 # Use vim as default text editor
 else
 	export EDITOR='vim -display none'   # Use vim as default text editor