diff --git a/BrownNoise.html b/BrownNoise.html
index e59993e..71d9763 100644
--- a/BrownNoise.html
+++ b/BrownNoise.html
@@ -100,6 +100,17 @@ var enableAudio = function() {
 var toggleDemo = function(text, gain) {
     var handler = function(e) {
 	enableAudio();
+        if (!gain) {
+          if (text === "White Noise") {
+            gain = whiteGain;
+          }
+          if (text === "Pink Noise") {
+            gain = pinkGain;
+          }
+          if (text === "Brown Noise") {
+            gain = brownGain;
+          }
+        }
         if (gain.gain.value == 0.0) {
             $(e.target).text("Stop");
             gain.gain.value = 0.03;