diff --git a/AmalgamationTool/DynamORM.Amalgamation.cs b/AmalgamationTool/DynamORM.Amalgamation.cs
index cb95713..7090941 100644
--- a/AmalgamationTool/DynamORM.Amalgamation.cs
+++ b/AmalgamationTool/DynamORM.Amalgamation.cs
@@ -3657,6 +3657,9 @@ namespace DynamORM
         /// <summary>Database support stored procedures (EXEC procedure ...).</summary>
         SupportStoredProcedures = 0x00000100,
 
+        /// <summary>Database support stored procedures results (Return value).</summary>
+        SupportStoredProceduresResult = 0x00000200,
+
         /// <summary>Database support with no lock syntax.</summary>
         SupportNoLock = 0x00001000,
 
@@ -5882,14 +5885,20 @@ namespace DynamORM
                 else
                 {
                     var returnName = _db.GetParameterName("___result___");
-                    if (!retIsAdded)
-                        cmd.AddParameter(returnName, ParameterDirection.ReturnValue, DbType.Int32, 4, 0, 0, DBNull.Value);
+                    if ((_db.Options & DynamicDatabaseOptions.SupportStoredProceduresResult) == DynamicDatabaseOptions.SupportStoredProceduresResult)
+                    {
+                        if (!retIsAdded)
+                            cmd.AddParameter(returnName, ParameterDirection.ReturnValue, DbType.Int32, 4, 0, 0, DBNull.Value);
+                    }
 
                     mainResult = cmd.ExecuteNonQuery();
 
                     IDbDataParameter returnParam = null;
                     if (!retIsAdded)
-                        returnParam = cmd.Parameters[returnName] as IDbDataParameter;
+                    {
+                        if ((_db.Options & DynamicDatabaseOptions.SupportStoredProceduresResult) == DynamicDatabaseOptions.SupportStoredProceduresResult)
+                            returnParam = cmd.Parameters[returnName] as IDbDataParameter;
+                    }
                     else
                     {
                         foreach (var e in cmd.Parameters)
diff --git a/DynamORM/DynamicDatabaseOptions.cs b/DynamORM/DynamicDatabaseOptions.cs
index 3d4ba42..97de33d 100644
--- a/DynamORM/DynamicDatabaseOptions.cs
+++ b/DynamORM/DynamicDatabaseOptions.cs
@@ -59,6 +59,9 @@ namespace DynamORM
         /// <summary>Database support stored procedures (EXEC procedure ...).</summary>
         SupportStoredProcedures = 0x00000100,
 
+        /// <summary>Database support stored procedures results (Return value).</summary>
+        SupportStoredProceduresResult = 0x00000200,
+
         /// <summary>Database support with no lock syntax.</summary>
         SupportNoLock = 0x00001000,
 
diff --git a/DynamORM/DynamicProcedureInvoker.cs b/DynamORM/DynamicProcedureInvoker.cs
index 352431a..699d6f7 100644
--- a/DynamORM/DynamicProcedureInvoker.cs
+++ b/DynamORM/DynamicProcedureInvoker.cs
@@ -380,14 +380,20 @@ namespace DynamORM
                 else
                 {
                     var returnName = _db.GetParameterName("___result___");
-                    if (!retIsAdded)
-                        cmd.AddParameter(returnName, ParameterDirection.ReturnValue, DbType.Int32, 4, 0, 0, DBNull.Value);
+                    if ((_db.Options & DynamicDatabaseOptions.SupportStoredProceduresResult) == DynamicDatabaseOptions.SupportStoredProceduresResult)
+                    {
+                        if (!retIsAdded)
+                            cmd.AddParameter(returnName, ParameterDirection.ReturnValue, DbType.Int32, 4, 0, 0, DBNull.Value);
+                    }
 
                     mainResult = cmd.ExecuteNonQuery();
 
                     IDbDataParameter returnParam = null;
                     if (!retIsAdded)
-                        returnParam = cmd.Parameters[returnName] as IDbDataParameter;
+                    {
+                        if ((_db.Options & DynamicDatabaseOptions.SupportStoredProceduresResult) == DynamicDatabaseOptions.SupportStoredProceduresResult)
+                            returnParam = cmd.Parameters[returnName] as IDbDataParameter;
+                    }
                     else
                     {
                         foreach (var e in cmd.Parameters)