diff --git a/active_projects/uncertainty.py b/active_projects/uncertainty.py
index 31da08af..62bdcc05 100644
--- a/active_projects/uncertainty.py
+++ b/active_projects/uncertainty.py
@@ -327,7 +327,7 @@ class FourierTradeoff(Scene):
 
         #Draw items
         self.add(time_axes, frequency_axes)
-        self.play(ShowCreation(wave_packet))
+        self.play(ShowCreation(wave_packet, rate_func = double_smooth))
         self.play(
             ReplacementTransform(
                 wave_packet.copy(),