diff --git a/src/superqt/sliders/_labeled.py b/src/superqt/sliders/_labeled.py
index a2d45f07..f7a10e7a 100644
--- a/src/superqt/sliders/_labeled.py
+++ b/src/superqt/sliders/_labeled.py
@@ -150,6 +150,9 @@ def __init__(self, *args, **kwargs) -> None:
 
     def _setValue(self, value: float):
         """Convert the value from float to int before setting the slider value."""
+        value = int(value)
+        if self._slider.maximum() < value:
+            self._slider.setMaximum(value)
         self._slider.setValue(int(value))
 
     def _rename_signals(self):