diff --git a/src/urh/controller/SignalFrameController.py b/src/urh/controller/SignalFrameController.py
index <HASH>..<HASH> 100644
--- a/src/urh/controller/SignalFrameController.py
+++ b/src/urh/controller/SignalFrameController.py
@@ -70,7 +70,7 @@ class SignalFrameController(QFrame):
 
         self.redraw_timer = QTimer()
         self.redraw_timer.setSingleShot(True)
-        self.redraw_timer.setInterval(100)
+        self.redraw_timer.setInterval(1)
 
         self.proto_selection_timer = QTimer()  # For Update Proto Selection from ROI
         self.proto_selection_timer.setSingleShot(True)
set redraw timer interval to 1 for smoother zoom