diff --git a/defaults/preferences/zotero.js b/defaults/preferences/zotero.js
index 6df0bcfbb..274f919a2 100644
--- a/defaults/preferences/zotero.js
+++ b/defaults/preferences/zotero.js
@@ -14,7 +14,7 @@ pref("extensions.zotero.debug.log",false);
 pref("extensions.zotero.debug.stackTrace", false);
 pref("extensions.zotero.debug.store",false);
 pref("extensions.zotero.debug.store.limit",500000);
-pref("extensions.zotero.debug.store.submitSize",1000000);
+pref("extensions.zotero.debug.store.submitSize",10000000);
 pref("extensions.zotero.debug.store.submitLineLength",10000);
 pref("extensions.zotero.debug.level",5);
 pref("extensions.zotero.debug.time", false);