diff --git a/effects.h b/effects.h
index 5b5ef6c..b943c7a 100644
--- a/effects.h
+++ b/effects.h
@@ -348,7 +348,7 @@ class MatrixColumn {
 
     void loop() {
       if (!running) {
-        if (random8() < 50) {
+        if (random8() < 20) {
           // Start the column again.
           start();
         }