diff --git a/chrome/content/zotero/bindings/itembox.xml b/chrome/content/zotero/bindings/itembox.xml
index 0862e755fa..104b3901e8 100644
--- a/chrome/content/zotero/bindings/itembox.xml
+++ b/chrome/content/zotero/bindings/itembox.xml
@@ -265,7 +265,7 @@
 								var doi = this.item.getField('DOI');
 								if (doi) {
 									// Pull out DOI, in case there's a prefix
-									doi = doi.match(/10\..*/);
+									doi = Zotero.Utilities.prototype.cleanDOI(doi);;
 									if (doi) {
 										spec = "http://dx.doi.org/" + encodeURIComponent(doi);
 									}
@@ -454,7 +454,7 @@
 						}
 						else if (fieldName == 'DOI' && val) {
 							// Pull out DOI, in case there's a prefix
-							var doi = val.match(/10\..*/);
+							var doi = Zotero.Utilities.prototype.cleanDOI(val);
 							if (doi) {
 								doi = "http://dx.doi.org/" + encodeURIComponent(doi);
 								label.setAttribute("isButton", true);
diff --git a/chrome/content/zotero/overlay.js b/chrome/content/zotero/overlay.js
index 2a1cae6d7e..6f557dff90 100644
--- a/chrome/content/zotero/overlay.js
+++ b/chrome/content/zotero/overlay.js
@@ -1962,7 +1962,7 @@ var ZoteroPane = new function()
 							var doi = item.getField('DOI');
 							if (doi) {
 								// Pull out DOI, in case there's a prefix
-								doi = doi.match(/10\..*/);
+								doi = Zotero.Utilities.prototype.cleanDOI(doi);
 								if (doi) {
 									uri = "http://dx.doi.org/" + encodeURIComponent(doi);
 								}
diff --git a/chrome/content/zotero/xpcom/utilities.js b/chrome/content/zotero/xpcom/utilities.js
index 1d5b7cd6e6..3a55a4daae 100644
--- a/chrome/content/zotero/xpcom/utilities.js
+++ b/chrome/content/zotero/xpcom/utilities.js
@@ -143,6 +143,16 @@ Zotero.Utilities.prototype.cleanTags = function(/**String*/ x) {
 	return x.replace(/<[^>]+>/g, "");
 }
 
+
+Zotero.Utilities.prototype.cleanDOI = function(/**String**/ x) {
+	if(typeof(x) != "string") {
+		throw "cleanDOI: argument must be a string";
+	}
+	
+	return x.match(/10\.[^\s\/]+\/[^\s]+/);
+}
+
+
 /**
  * Encode special XML/HTML characters<br/>
  * <br/>