diff --git a/demo.py b/demo.py
index 56e1f67..1c8b0b2 100644
--- a/demo.py
+++ b/demo.py
@@ -74,9 +74,9 @@ def rainbowCycle(strip, wait_ms=10, iterations=5):
         time.sleep(wait_ms / 1000.0)
 
 
-def theaterChaseRainbow(strip, wait_ms=50):
+def theaterChaseRainbow(strip, wait_ms=50, iterations=10):
     """Rainbow movie theater light style chaser animation."""
-    for j in range(256):
+    for j in range(iterations):
         for q in range(3):
             for i in range(0, strip.numPixels(), 3):
                 strip.setPixelColor(i + q, wheel((i + j) % 255))