diff --git a/src/MarkerClusterGroup.js b/src/MarkerClusterGroup.js
index 313d8e29a..476b8e032 100644
--- a/src/MarkerClusterGroup.js
+++ b/src/MarkerClusterGroup.js
@@ -547,8 +547,22 @@ L.MarkerClusterGroup = L.FeatureGroup.extend({
 		delete marker.__parent;
 	},
 
+	_isOrIsParent: function (el, oel) {
+		while (oel) {
+			if (el === oel) {
+				return true;
+			}
+			oel = oel.parentNode;
+		}
+		return false;
+	},
+
 	_propagateEvent: function (e) {
 		if (e.layer instanceof L.MarkerCluster) {
+			//Prevent multiple clustermouseover/off events if the icon is made up of stacked divs (Doesn't work in ie <= 8, no relatedTarget)
+			if (this._isOrIsParent(e.layer._icon, e.originalEvent.relatedTarget)) {
+				return;
+			}
 			e.type = 'cluster' + e.type;
 		}