diff --git a/data/functions b/data/functions
index 30b43d8..f2e28cd 100644
--- a/data/functions
+++ b/data/functions
@@ -29,7 +29,7 @@ desktop_variable_value()
 
 # get user domain set
 get_ur_domain_set() {
-    if rc-update show default | grep client &>/dev/null
+    if /sbin/rc-update show default | grep client &>/dev/null
     then
         desktop_variable_value desktop.ur_domain_set
     else