diff --git a/userrc.in b/userrc.in
index d2a33ec..3434e8f 100644
--- a/userrc.in
+++ b/userrc.in
@@ -8,7 +8,7 @@ usage() {
 }
 
 rc_run_wait() {
-	su "$username" -s "$SHELL" -c "$homedir/.config/rc.local" &>"$logdir/${username}.log" &
+	su - "$username" -s "$SHELL" -c "$homedir/.config/rc.local" &>"$logdir/${username}.log" &
 	wait "$!"
 
 	if (( $? )); then