diff --git a/chrome/content/zotero/xpcom/quickCopy.js b/chrome/content/zotero/xpcom/quickCopy.js
index c7ed0728e..c6a7117de 100644
--- a/chrome/content/zotero/xpcom/quickCopy.js
+++ b/chrome/content/zotero/xpcom/quickCopy.js
@@ -203,7 +203,7 @@ Zotero.QuickCopy = new function() {
 							+ noteContent
 								//   is the only HTML entity we allow in
 								// notes, and it's not valid XML
-								.replace(' ', ' ')
+								.replace(/ /g, ' ')
 							+ '</div>');
 					}
 					catch (e) {