diff --git a/toroid.html b/toroid.html
index 5b29d35..5e11d1d 100644
--- a/toroid.html
+++ b/toroid.html
@@ -439,7 +439,7 @@
                 frequencies = [];
                 //for(var i = 4.0; i <= 8.0; i+=0.01) {
                 var f = 1.0 * frequency_slider.value;
-                for(var i = 4.00+f; i <= 5.52+f; i+=0.01) {
+                for(var i = 4.00+f; i <= 5.52+f; i+=0.02) {
                     frequencies.push(10.0**i);
                 }
             }