diff --git a/chrome/content/zotero/overlay.xul b/chrome/content/zotero/overlay.xul
index 6346cfc93..24d96bae6 100644
--- a/chrome/content/zotero/overlay.xul
+++ b/chrome/content/zotero/overlay.xul
@@ -130,13 +130,14 @@
 								<menuseparator id="zotero-tb-actions-plugins-separator"/>
 								<menuitem id="zotero-tb-actions-timeline" label="&zotero.toolbar.timeline.label;" oncommand="Zotero_Timeline_Interface.loadTimeline()"/>
 								<menuseparator id="zotero-tb-actions-sync-separator"/>
-								<menuitem label="Clear Server Data" oncommand="Zotero.Sync.Server.clear()"/>
-								<menuitem label="Reset Server Lock" oncommand="Zotero.Sync.Server.resetServer()"/>
-								<menuitem label="Reset Client" oncommand="Zotero.Sync.Server.resetClient()"/>
-								<menuseparator id="zotero-tb-actions-storage-separator"/>
-								<menuitem label="Reset Storage History" oncommand="Zotero.Sync.Storage.resetAllSyncStates()"/>
-								<menuitem label="Purge Deleted Storage Files" oncommand="Zotero.Sync.Storage.purgeDeletedStorageFiles(function(results) { Zotero.debug(results); })"/>
-								<menuitem label="Purge Orphaned Storage Files" oncommand="Zotero.Sync.Storage.purgeOrphanedStorageFiles(function(results) { Zotero.debug(results); })"/>
+								<menuitem label="Sync Debugging" disabled="true"/>
+								<menuitem label="  Clear Server Data" oncommand="Zotero.Sync.Server.clear()"/>
+								<menuitem label="  Reset Server Lock" oncommand="Zotero.Sync.Server.resetServer()"/>
+								<menuitem label="  Reset Client" oncommand="Zotero.Sync.Server.resetClient()"/>
+								<menuitem label="Storage Debugging" disabled="true"/>
+								<menuitem label="  Reset Storage History" oncommand="Zotero.Sync.Storage.resetAllSyncStates()"/>
+								<menuitem label="  Purge Deleted Storage Files" oncommand="Zotero.Sync.Storage.purgeDeletedStorageFiles(function(results) { Zotero.debug(results); })"/>
+								<menuitem label="  Purge Orphaned Storage Files" oncommand="Zotero.Sync.Storage.purgeOrphanedStorageFiles(function(results) { Zotero.debug(results); })"/>
 								<menuseparator id="zotero-tb-actions-separator"/>
 								<menuitem id="zotero-tb-actions-prefs" label="&zotero.toolbar.preferences.label;"
 									oncommand="window.openDialog('chrome://zotero/content/preferences/preferences.xul', 'zotero-prefs', 'chrome,titlebar,toolbar,' + Zotero.Prefs.get('browser.preferences.instantApply', true) ? 'dialog=no' : 'modal')"/>
diff --git a/chrome/content/zotero/xpcom/storage.js b/chrome/content/zotero/xpcom/storage.js
index 86bb6f427..0fec3d05f 100644
--- a/chrome/content/zotero/xpcom/storage.js
+++ b/chrome/content/zotero/xpcom/storage.js
@@ -1816,6 +1816,8 @@ Zotero.Sync.Storage = new function () {
 	 * Also updates progress meter
 	 */
 	function _resetRequestsIfDone() {
+		Zotero.debug(_requests);
+		Zotero.debug(_numRequests);
 		for (var queue in _requests) {
 			if (_numRequests[queue].active != 0 || _numRequests[queue].queued != 0) {
 				return false;
@@ -1989,10 +1991,9 @@ Zotero.Sync.Storage.ZipWriterObserver.prototype = {
 		
 		Zotero.Sync.Storage.compressionTracker.compressed += this._zipWriter.file.fileSize;
 		Zotero.Sync.Storage.compressionTracker.uncompressed += originalSize;
-		Zotero.debug("Ratio so far: " + Zotero.Sync.Storage.compressionTracker.ratio);
+		Zotero.debug("Average compression so far: "
+			+ Zotero.Sync.Storage.compressionTracker.ratio + "%");
 		
-		var item = Zotero.Items.get(this._data.itemID);
-		Zotero.debug("Original sum " + Zotero.Attachments.getTotalFileSize(item));
 		this._callback(this._data);
 	}
 }