diff --git a/OpenSim/Data/MSSQL/MSSQLGridUserData.cs b/OpenSim/Data/MSSQL/MSSQLGridUserData.cs
index 7d1095543e..8ec8d4994c 100644
--- a/OpenSim/Data/MSSQL/MSSQLGridUserData.cs
+++ b/OpenSim/Data/MSSQL/MSSQLGridUserData.cs
@@ -62,7 +62,7 @@ namespace OpenSim.Data.MSSQL
 
         public GridUserData[] GetAll(string userID)
         {
-            return base.Get(String.Format("UserID LIKE {0}%", userID));
+            return base.Get(String.Format("UserID LIKE '{0}%'", userID));
         }
 
     }
diff --git a/OpenSim/Data/MySQL/MySQLGridUserData.cs b/OpenSim/Data/MySQL/MySQLGridUserData.cs
index f476fd26df..00560c11db 100644
--- a/OpenSim/Data/MySQL/MySQLGridUserData.cs
+++ b/OpenSim/Data/MySQL/MySQLGridUserData.cs
@@ -58,7 +58,7 @@ namespace OpenSim.Data.MySQL
 
         public GridUserData[] GetAll(string userID)
         {
-            return base.Get(String.Format("UserID LIKE {0}%", userID));
+            return base.Get(String.Format("UserID LIKE '{0}%'", userID));
         }
     }
 }
\ No newline at end of file
diff --git a/OpenSim/Data/SQLite/SQLiteGridUserData.cs b/OpenSim/Data/SQLite/SQLiteGridUserData.cs
index 799df91590..d8c52f8880 100644
--- a/OpenSim/Data/SQLite/SQLiteGridUserData.cs
+++ b/OpenSim/Data/SQLite/SQLiteGridUserData.cs
@@ -58,7 +58,7 @@ namespace OpenSim.Data.SQLite
 
         public GridUserData[] GetAll(string userID)
         {
-            return base.Get(String.Format("UserID LIKE {0}%", userID));
+            return base.Get(String.Format("UserID LIKE '{0}%'", userID));
         }
 
     }