diff --git a/lib/index.js b/lib/index.js
index 7cdbe0b..74650a7 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1175,15 +1175,15 @@ GitStats.prototype.authors = function (options, callback) {
  */
 GitStats.prototype.authorsPie = function (options, callback) {
 
-    const radius = Math.round(process.stdout.rows / 2) || 20;
-
     if (typeof options === "string") {
         options = {
             repo: options
         };
     }
 
-    options = Ul.merge(options, { radius });
+    options = Ul.merge(options, {
+        radius: process.stdout.rows / 2 || 20
+    });
 
     if (!IsThere(options.repo)) {
         return callback(new Error("The repository folder doesn't exist."));
@@ -1196,15 +1196,16 @@ GitStats.prototype.authorsPie = function (options, callback) {
       ;
 
     self.authors(options, function (err, authors) {
+        const maxAuthors = 2 * options.radius;
         if (err) { return callback(err); }
-        if (authors.length > radius) {
+        if (authors.length > maxAuthors) {
             var others = {
-                value: authors.slice(radius).reduce(function (a, b) {
+                value: authors.slice(maxAuthors).reduce(function (a, b) {
                     return a + b.value;
                 }, 0)
               , label: "Others"
             };
-            authors = authors.slice(0, radius);
+            authors = authors.slice(0, maxAuthors);
             authors.push(others);
         }