diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3d42ce78..e4bb3620 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -146,6 +146,7 @@ Icon API was improved to be more flexible, but one of the changes is backwards-i
  * Fixed a bug that could cause false `mousemove` events on click in Chrome (by [@stsydow](https://github.com/stsydow)). [#757](https://github.com/CloudMade/Leaflet/pull/757)
  * Fixed a bug in IE6-8 where adding fill or stroke on vector layers after initialization with `setStyle` would break the map. [#641](https://github.com/CloudMade/Leaflet/issues/641)
  * Fixed a bug that broke Leaflet for websites that had XHTML content-type header set (by [lars-sh](https://github.com/lars-sh)). [#801](https://github.com/CloudMade/Leaflet/pull/801)
+ * Fixed a bug with setOpacity in IE where it would not work correctly if used more than once on the same element (by [@ajbeaven](https://github.com/ajbeaven)). [#827](https://github.com/CloudMade/Leaflet/pull/827)
 
 #### Mobile browser bugfixes
 
diff --git a/src/dom/DomUtil.js b/src/dom/DomUtil.js
index ca85b8c2..55d8f282 100644
--- a/src/dom/DomUtil.js
+++ b/src/dom/DomUtil.js
@@ -106,29 +106,25 @@ L.DomUtil = {
 	},
 
 	setOpacity: function (el, value) {
+
 		if ('opacity' in el.style) {
 			el.style.opacity = value;
+
 		} else if (L.Browser.ie) {
+
 			var filter = false,
-				prefix = 'DXImageTransform.Microsoft.',
-				filterName = 'Alpha';
+				filterName = 'DXImageTransform.Microsoft.Alpha';
 
 			// filters collection throws an error if we try to retrieve a filter that doesn't exist
-			try { filter = el.filters.item(prefix + filterName); } catch (e) { }
-			if (!filter) try { filter = el.filters.item(filterName); } catch (e) { }
+			try { filter = el.filters.item(filterName); } catch (e) {}
 
 			value = Math.round(value * 100);
-			if (value === 100) {
-				if (filter) {
-					filter.Enabled = false;
-				}
+
+			if (filter) {
+				filter.Enabled = (value === 100);
+				filter.Opacity = value;
 			} else {
-				if (filter) {
-					filter.Enabled = true;
-					filter.Opacity = value;
-				} else {
-					el.style.filter += ' progid:' + prefix + filterName + '(opacity=' + value + ')';
-				}
+				el.style.filter += ' progid:' + filterName + '(opacity=' + value + ')';
 			}
 		}
 	},