diff --git a/chrome/content/zotero/xpcom/db.js b/chrome/content/zotero/xpcom/db.js
index 2cef1afe7b..3292fd801d 100644
--- a/chrome/content/zotero/xpcom/db.js
+++ b/chrome/content/zotero/xpcom/db.js
@@ -1123,6 +1123,11 @@ Zotero.DBConnection.prototype._getDBConnection = function () {
 		Zotero.DB.query("PRAGMA locking_mode=NORMAL");
 	}
 	
+	// Set page cache size to 8MB
+	var pageSize = Zotero.DB.valueQuery("PRAGMA page_size");
+	var cacheSize = 8192000 / pageSize;
+	Zotero.DB.query("PRAGMA cache_size=" + cacheSize);
+	
 	// Register idle and shutdown handlers to call this.observe() for DB backup
 	var idleService = Components.classes["@mozilla.org/widget/idleservice;1"]
 			.getService(Components.interfaces.nsIIdleService);
diff --git a/chrome/content/zotero/xpcom/schema.js b/chrome/content/zotero/xpcom/schema.js
index 74b6f189df..6aaed2042c 100644
--- a/chrome/content/zotero/xpcom/schema.js
+++ b/chrome/content/zotero/xpcom/schema.js
@@ -2283,11 +2283,6 @@ Zotero.Schema = new function(){
 					
 					Zotero.wait();
 					
-					// Set page cache size to 8MB
-					var pageSize = Zotero.DB.valueQuery("PRAGMA page_size");
-					var cacheSize = 8192000 / pageSize;
-					Zotero.DB.query("PRAGMA default_cache_size=" + cacheSize);
-					
 					// Orphaned child attachment
 					Zotero.DB.query("UPDATE itemAttachments SET sourceItemID=NULL WHERE sourceItemID NOT IN (SELECT itemID FROM items)");
 					Zotero.DB.query("UPDATE itemNotes SET sourceItemID=NULL WHERE sourceItemID NOT IN (SELECT itemID FROM items)");