diff --git a/defaults/preferences/zotero.js b/defaults/preferences/zotero.js
index df398ed04..58863f19e 100644
--- a/defaults/preferences/zotero.js
+++ b/defaults/preferences/zotero.js
@@ -33,7 +33,7 @@ pref("extensions.zotero.automaticTags",true);
 pref("extensions.zotero.fontSize", "1.0");
 pref("extensions.zotero.recursiveCollections", false);
 pref("extensions.zotero.attachmentRenameFormatString", '{%c - }{%y - }{%t{50}}');
-pref("extensions.zotero.capitalizeTitles", true);
+pref("extensions.zotero.capitalizeTitles", false);
 pref("extensions.zotero.launchNonNativeFiles", false);
 pref("extensions.zotero.sortNotesChronologically", false);
 pref("extensions.zotero.sortAttachmentsChronologically", false);