diff --git a/shell/prompt b/shell/prompt
index 50928ac..141e594 100644
--- a/shell/prompt
+++ b/shell/prompt
@@ -31,8 +31,8 @@ git__fetch() {
 		then dir="$(cat $top/.git | sed -e 's/^gitdir: //')"
 		else dir="$1/.git"
 	fi
-	if [ -n "$BASH_AUTOFETCH_TIMEOUT" ]; then
-		timeout=$BASH_AUTOFETCH_TIMEOUT
+	if [ -n "$SHELL_AUTOFETCH_TIMEOUT" ]; then
+		timeout=$SHELL_AUTOFETCH_TIMEOUT
 	else
 		timeout=60
 	fi
@@ -56,7 +56,7 @@ gitprompt () {
 	top=$(timeout 1 git rev-parse --show-toplevel 2>/dev/null)
 	if [ -n "$top" ]
 	then
-		if [ "$BASH_AUTOFETCH" -gt 0 ]; then
+		if [ "$SHELL_AUTOFETCH" -gt 0 ]; then
 			autofetch=$(git__fetch $top)
 			f=$((2-$autofetch))
 		else