diff --git a/defaults/preferences/zotero.js b/defaults/preferences/zotero.js
index d35ee4a587..9a4e4c1a08 100644
--- a/defaults/preferences/zotero.js
+++ b/defaults/preferences/zotero.js
@@ -29,7 +29,7 @@ pref("extensions.zotero.downloadAssociatedFiles",true);
 pref("extensions.zotero.findPDFs.resolvers", '[]');
 pref("extensions.zotero.reportTranslationFailure",true);
 pref("extensions.zotero.automaticTags",true);
-pref("extensions.zotero.fontSize", "1.0");
+pref("extensions.zotero.fontSize", "1.00");
 pref("extensions.zotero.layout", "standard");
 pref("extensions.zotero.recursiveCollections", false);
 pref("extensions.zotero.autoRecognizeFiles", true);