diff --git a/piker/ui/_l1.py b/piker/ui/_l1.py
index 8d29d90c..f557de4b 100644
--- a/piker/ui/_l1.py
+++ b/piker/ui/_l1.py
@@ -237,8 +237,8 @@ class LevelLabel(YAxisLabel):
 class L1Label(LevelLabel):
 
     text_flags = (
-        QtCore.Qt.TextDontClip
-        | QtCore.Qt.AlignLeft
+        QtCore.Qt.TextFlag.TextDontClip
+        | QtCore.Qt.AlignmentFlag.AlignLeft
     )
 
     def set_label_str(