diff --git a/macrovision.js b/macrovision.js
index 13a6079a..a67e3e84 100644
--- a/macrovision.js
+++ b/macrovision.js
@@ -450,6 +450,7 @@ const config = {
     autoFit: false,
     drawYAxis: true,
     drawXAxis: false,
+    autoMass: "off",
     autoFoodIntake: false,
     autoPreyCapacity: false
 }
@@ -1206,7 +1207,7 @@ function makeEntity(info, views, sizes, forms = {}) {
 
                 view.units = {};
 
-                if (config.autoMass && view.attributes.weight === undefined) {
+                if (config.autoMass !== "off" && view.attributes.weight === undefined) {
                     let base = undefined;
                     switch(config.autoMass) {
                         case "human":