diff --git a/src/silx/gui/widgets/FrameBrowser.py b/src/silx/gui/widgets/FrameBrowser.py
index d51cda10b7..0f8275d458 100644
--- a/src/silx/gui/widgets/FrameBrowser.py
+++ b/src/silx/gui/widgets/FrameBrowser.py
@@ -393,8 +393,9 @@ def _playStopSequence(self):
         
     def _updateState(self):
         """Advance an interval number of frames in the browser sequence."""
-        if self._browser.getValue() < self._browser.getRange()[-1]:
-            self.setValue(self._browser.getValue() + self.getInterval())
+        current_index = self._browser.getValue()
+        if current_index < self._browser.getRange()[-1]:
+            self.setValue(current_index + self.getInterval())
         else:
             self._stopTimer()