diff --git a/jquery.sketchable.memento.js b/jquery.sketchable.memento.js
index 61e0ea1..0036206 100644
--- a/jquery.sketchable.memento.js
+++ b/jquery.sketchable.memento.js
@@ -167,6 +167,8 @@
         data.memento.reset();
       },
       mouseup: function(elem, data, evt) {
+        // Don't store multitouch events separately.
+        if (evt.type.indexOf('touch') === 0 && evt.identifier > 0) return;
         data.memento.save();
       },
       destroy: function(elem, data) {
diff --git a/sketchable.memento.js b/sketchable.memento.js
index 774cb03..2ad5b8b 100644
--- a/sketchable.memento.js
+++ b/sketchable.memento.js
@@ -170,6 +170,8 @@
         data.memento.reset();
       },
       mouseup: function(elem, data, evt) {
+        // Don't store multitouch events separately.
+        if (evt.type.indexOf('touch') === 0 && evt.identifier > 0) return;
         data.memento.save();
       },
       destroy: function(elem, data) {