diff --git a/lib/functions.zsh b/lib/functions.zsh
index f3065378..628919ae 100644
--- a/lib/functions.zsh
+++ b/lib/functions.zsh
@@ -7,7 +7,7 @@ function uninstall_oh_my_zsh() {
 }
 
 function upgrade_oh_my_zsh() {
-  env ZSH=$ZSH sh $ZSH/tools/upgrade.sh
+  env ZSH=$ZSH ZSH_CUSTOM=$ZSH_CUSTOM sh $ZSH/tools/upgrade.sh
 }
 
 function take() {
diff --git a/tools/upgrade.sh b/tools/upgrade.sh
index b67247bc..a2a15f32 100644
--- a/tools/upgrade.sh
+++ b/tools/upgrade.sh
@@ -39,8 +39,7 @@ else
 fi
 
 printf "${BLUE}%s${NORMAL}\n" "Updating Custom Plugins"
-cd "$ZSH/custom/plugins"
-for dir in ./*; do
+for dir in $ZSH_CUSTOM/plugins/*; do
     if [[ -d $dir && -d $dir/.git ]]; then
         git -C $dir pull --rebase --stat origin master
     fi