diff --git a/chrome/content/zotero/xpcom/schema.js b/chrome/content/zotero/xpcom/schema.js
index e0bff3e5d..221e706ab 100644
--- a/chrome/content/zotero/xpcom/schema.js
+++ b/chrome/content/zotero/xpcom/schema.js
@@ -2368,6 +2368,12 @@ Zotero.Schema = new function(){
 				if (i==57) {
 					Zotero.DB.query("UPDATE itemAttachments SET linkMode=0, mimeType=NULL WHERE linkMode IS NULL AND mimeType=0");
 				}
+				
+				if (i==58) {
+					if (!Zotero.DB.valueQuery("SELECT COUNT(*) FROM version WHERE schema='syncdeletelog'") && Zotero.DB.valueQuery("SELECT COUNT(*) FROM syncDeleteLog")) {
+						Zotero.DB.query("INSERT INTO version VALUES ('syncdeletelog', CURRENT_TIMESTAMP)");
+					}
+				}
 			}
 			
 			_updateDBVersion('userdata', toVersion);
diff --git a/userdata.sql b/userdata.sql
index 6ab16c353..d23e97f5d 100644
--- a/userdata.sql
+++ b/userdata.sql
@@ -1,4 +1,4 @@
--- 57
+-- 58
 
 -- This file creates tables containing user-specific data for new users --
 -- any changes made here must be mirrored in transition steps in schema.js::_migrateSchema()