diff --git a/chrome/chromeFiles/content/scholar/xpcom/schema.js b/chrome/chromeFiles/content/scholar/xpcom/schema.js
index 1716e8cff8..113034c496 100644
--- a/chrome/chromeFiles/content/scholar/xpcom/schema.js
+++ b/chrome/chromeFiles/content/scholar/xpcom/schema.js
@@ -401,7 +401,7 @@ Scholar.Schema = new function(){
 		//
 		// Change this value to match the schema version
 		//
-		var toVersion = 45;
+		var toVersion = 46;
 		
 		if (toVersion != _getSchemaSQLVersion()){
 			throw('Schema version does not match version in _migrateSchema()');
@@ -425,7 +425,7 @@ Scholar.Schema = new function(){
 				}
 			}
 			
-			if (i==45){
+			if (i==46){
 				// Clear storage directory
 				var file = Scholar.getStorageDirectory();
 				if (file.exists()){
diff --git a/schema.sql b/schema.sql
index 64e9f7de2c..f15c462e65 100644
--- a/schema.sql
+++ b/schema.sql
@@ -1,4 +1,4 @@
--- 45
+-- 46
 
     DROP TABLE IF EXISTS version;
     CREATE TABLE version (
@@ -60,7 +60,7 @@
     CREATE TABLE itemData (
         itemID INT,
         fieldID INT,
-        value NONE,
+        value,
         PRIMARY KEY (itemID, fieldID),
         FOREIGN KEY (itemID) REFERENCES items(itemID),
         FOREIGN KEY (fieldID) REFERENCES fields(fieldID)