diff --git a/rc b/rc
index cb1da57..b999c1d 100755
--- a/rc
+++ b/rc
@@ -13,13 +13,14 @@ export PATH
 function _self_update() {
     touch "$TOOLSPATH"/.lastupdate
     pushd "$TOOLSPATH" > /dev/null
-    timeout 5 hg pull -u > /dev/null 2>&1
+    timeout 5 hg pull -u > /dev/null 2>&1 &
     popd > /dev/null
 }
 
 [[ "$1" = "-u" ]] && _self_update
 
 # Update self weekly
+[[ -w "$TOOLSPATH" ]] || return
 [[ -t 0 ]] || return
 [[ -t 1 ]] || return
 [[ -t 2 ]] || return
@@ -27,6 +28,6 @@ function _self_update() {
 [[ -w "$TOOLSPATH"/.lastupdate ]] || return
 
 TOOLS_LASTUPDATE=$(( $( date +%s ) - $( stat -c %Y "$TOOLSPATH"/.lastupdate ) ))
-[[ "$TOOLS_LASTUPDATE" -gt 604800 ]] && _self_update
+[[ "$TOOLS_LASTUPDATE" -gt 604800 ]] && _self_update 
 unset TOOLS_LASTUPDATE
 unset -f _self_update