diff --git a/HISTORY.md b/HISTORY.md
index b85074e5..9751b692 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -12,6 +12,11 @@ http://visjs.org
 
 - Fixed #1630: method `getDataRange` was wrongly called `getItemRange` in docs.
 
+### Graph3d
+
+- The built-in tooltip now shows the provided `xLabel`, `yLabel`, and `zLabel`
+  instead of `'x'`, `'y'`, and `'z'`. Thanks @jacklightbody.
+
 
 ## 2016-02-04, version 4.14.0
 
diff --git a/lib/graph3d/Graph3d.js b/lib/graph3d/Graph3d.js
index 68390079..9db4fbeb 100644
--- a/lib/graph3d/Graph3d.js
+++ b/lib/graph3d/Graph3d.js
@@ -2237,9 +2237,9 @@ Graph3d.prototype._showTooltip = function (dataPoint) {
   }
   else {
     content.innerHTML = '<table>' +
-      '<tr><td>x:</td><td>' + dataPoint.point.x + '</td></tr>' +
-      '<tr><td>y:</td><td>' + dataPoint.point.y + '</td></tr>' +
-      '<tr><td>z:</td><td>' + dataPoint.point.z + '</td></tr>' +
+      '<tr><td>' + this.xLabel + ':</td><td>' + dataPoint.point.x + '</td></tr>' +
+      '<tr><td>' + this.yLabel + ':</td><td>' + dataPoint.point.y + '</td></tr>' +
+      '<tr><td>' + this.zLabel + ':</td><td>' + dataPoint.point.z + '</td></tr>' +
       '</table>';
   }