diff --git a/packages/binary-heap/min-heap.js b/packages/binary-heap/min-heap.js
index 23bb35f666..9ead1702e0 100644
--- a/packages/binary-heap/min-heap.js
+++ b/packages/binary-heap/min-heap.js
@@ -7,3 +7,13 @@ MinHeap = function (comparator, options) {
 
 Meteor._inherits(MinHeap, MaxHeap);
 
+_.extend(MinHeap.prototype, {
+  maxElementId: function () {
+    throw new Error("Cannot call maxElementId on MinHeap");
+  },
+  minElementId: function () {
+    var self = this;
+    return MaxHeap.prototype.maxElementId.call(self);
+  }
+});
+
diff --git a/packages/binary-heap/min-max-heap.js b/packages/binary-heap/min-max-heap.js
index be721373a6..9acda48a42 100644
--- a/packages/binary-heap/min-max-heap.js
+++ b/packages/binary-heap/min-max-heap.js
@@ -47,7 +47,7 @@ _.extend(MinMaxHeap.prototype, {
   },
   minElementId: function () {
     var self = this;
-    return self._minHeap.maxElementId();
+    return self._minHeap.minElementId();
   }
 });