diff --git a/lib/ui/amount.js b/lib/ui/amount.js
index 2b0eeff4..7c5a24b2 100644
--- a/lib/ui/amount.js
+++ b/lib/ui/amount.js
@@ -90,7 +90,7 @@ class Amount {
    */
 
   toMilli(num) {
-    return Amount.encode(this.value, 5, num);
+    return Amount.encode(this.value, 3, num);
   }
 
   /**
@@ -180,7 +180,7 @@ class Amount {
    */
 
   fromMilli(value) {
-    this.value = Amount.decode(value, 5);
+    this.value = Amount.decode(value, 3);
     return this;
   }