diff --git a/process/Sql_lib/process.js b/process/Sql_lib/process.js
index 98fe8cc944264fe98c8ffc7a636128705da4ec35..f3708067a34ad01930d3ade922c9520011e1bb91 100644
--- a/process/Sql_lib/process.js
+++ b/process/Sql_lib/process.js
@@ -3527,7 +3527,8 @@ SqlMaskingUtils.prototype.cast = function (pField, pTargetDatatype, pTargetLengt
             switch(pTargetDatatype)
             {
                 case SQLTYPES.TIMESTAMP:
-                    return "datetime";
+                    sqlDataType = "datetime";
+                    break;
                 case SQLTYPES.DATE:
                 case SQLTYPES.DECIMAL:
                 case SQLTYPES.INTEGER: