diff --git a/completions/dhclient b/completions/dhclient
index 3f4e25829c2..797eca423ad 100644
--- a/completions/dhclient
+++ b/completions/dhclient
@@ -6,7 +6,14 @@ _dhclient()
     _init_completion || return
 
     case $prev in
-        -cf|-lf|-pf|-sf)
+        -p|-e)
+            return
+            ;;
+        -D)
+            COMPREPLY=( $( compgen -W 'LL LLT' -- "$cur" ) )
+            return
+            ;;
+        -*f)
             _filedir
             return
             ;;