diff --git a/completions/screen b/completions/screen
index cabc4b7a..1dc7a597 100644
--- a/completions/screen
+++ b/completions/screen
@@ -36,11 +36,16 @@ _screen()
             _screen_sessions 'Detached'
             return 0
             ;;
-        -[dDx])
+        -[dD])
             # list attached
             _screen_sessions 'Attached'
             return 0
             ;;
+        -x)
+            # list both
+            _screen_sessions
+            return 0
+            ;;
         -s)
             _shells
             return 0