diff --git a/rc b/rc
index b1d5f75..dfd4b2e 100644
--- a/rc
+++ b/rc
@@ -10,6 +10,15 @@ export PATH
 
 . "$TOOLSPATH"/qcd_function
 
+function _self_update() {
+    touch "$TOOLSPATH"/.lastupdate
+    pushd "$TOOLSPATH" > /dev/null
+    hg pull -u 2>&1 > /dev/null
+    popd > /dev/null
+}
+
+[[ "$1" = "-u" ]] && _self_update
+
 # Update self weekly
 [[ -t 0 ]] || return
 [[ -t 1 ]] || return
@@ -18,11 +27,6 @@ export PATH
 [[ -f "$TOOLSPATH"/.lastupdate ]] || return
 
 TOOLS_LASTUPDATE=$(( $( date +%s ) - $( stat -c %Y "$TOOLSPATH"/.lastupdate ) ))
-[[ "$TOOLS_LASTUPDATE" -gt 604800 ]] && {
-    touch "$TOOLSPATH"/.lastupdate
-    pushd "$TOOLSPATH" > /dev/null
-    hg pull -u 2>&1 > /dev/null
-    popd > /dev/null
-}
+[[ "$TOOLS_LASTUPDATE" -gt 604800 ]] && _self_update
 unset TOOLS_LASTUPDATE
-
+unset -f _self_update