diff --git a/chrome/content/zotero/xpcom/quickCopy.js b/chrome/content/zotero/xpcom/quickCopy.js
index a87768a1a2..9a7f8bc921 100644
--- a/chrome/content/zotero/xpcom/quickCopy.js
+++ b/chrome/content/zotero/xpcom/quickCopy.js
@@ -123,7 +123,8 @@ Zotero.QuickCopy = new function() {
 		
 		var sql = "SELECT key AS domainPath, value AS format FROM settings "
 			+ "WHERE setting='quickCopySite' AND (key LIKE ? OR key LIKE ?)";
-		var urlDomain = urlHostPort.match(/(?:[^\.]+\.)?[^\.]+$/);
+		// Match last one or two sections of domain, not counting trailing period
+		var urlDomain = urlHostPort.match(/(?:[^.]+\.)?[^.]+(?=\.?$)/);
 		// Hopefully can't happen, but until we're sure
 		if (!urlDomain) {
 			Zotero.logError("Quick Copy host '" + urlHostPort + "' not matched");
diff --git a/test/tests/quickCopyTest.js b/test/tests/quickCopyTest.js
index d9d432a96b..44941b70b3 100644
--- a/test/tests/quickCopyTest.js
+++ b/test/tests/quickCopyTest.js
@@ -21,6 +21,10 @@ describe("Zotero.QuickCopy", function() {
 			assert.deepEqual(Zotero.QuickCopy.getFormatFromURL('http://foo/'), quickCopyPref);
 		})
 		
+		it("should handle a domain with a trailing period", function () {
+			assert.deepEqual(Zotero.QuickCopy.getFormatFromURL('http://foo.com.'), quickCopyPref);
+		})
+		
 		it("should handle an about: URL", function () {
 			assert.deepEqual(Zotero.QuickCopy.getFormatFromURL('about:blank'), quickCopyPref);
 		})