diff --git a/OpenSim/Data/MySQL/Resources/IM_Store.migrations b/OpenSim/Data/MySQL/Resources/IM_Store.migrations
index f73475ee33..79ead98cce 100644
--- a/OpenSim/Data/MySQL/Resources/IM_Store.migrations
+++ b/OpenSim/Data/MySQL/Resources/IM_Store.migrations
@@ -1,4 +1,4 @@
-:VERSION 1         # -------------------------- 
+:VERSION 1         # -------------------------- 
 
 BEGIN;
 
@@ -32,3 +32,11 @@ ALTER TABLE `im_offline`
   ADD KEY `FromID` (`FromID`);
 
 COMMIT;
+
+:VERSION 4         # -------------------------- 
+
+BEGIN;
+
+ALTER TABLE im_offline CONVERT TO CHARACTER SET utf8;
+
+COMMIT;