diff --git a/src/dat/controllers/NumberController.js b/src/dat/controllers/NumberController.js
index a589bf4..294e36c 100644
--- a/src/dat/controllers/NumberController.js
+++ b/src/dat/controllers/NumberController.js
@@ -122,6 +122,8 @@ define([
          */
         step: function(v) {
           this.__step = v;
+          this.__impliedStep = v;
+          this.__precision = numDecimals(v);
           return this;
         }