diff --git a/OpenSim/Data/MySQL/MySQLSimulationData.cs b/OpenSim/Data/MySQL/MySQLSimulationData.cs
index 2b7e895f20..6ae66d7505 100644
--- a/OpenSim/Data/MySQL/MySQLSimulationData.cs
+++ b/OpenSim/Data/MySQL/MySQLSimulationData.cs
@@ -294,7 +294,7 @@ namespace OpenSim.Data.MySQL
                         string sqlparams;
                         if (uuids.Count > 1)
                         {
-                            StringBuilder sb = new StringBuilder(uuids.Count * 37);
+                            StringBuilder sb = new StringBuilder(uuids.Count * 39 + 5);
                             sb.Append("IN (");
                             for(int i = 0; i < uuids.Count - 1; ++i )
                             {