diff --git a/src/observer/mysql/obmp_stmt_execute.cpp b/src/observer/mysql/obmp_stmt_execute.cpp
index 6a61c63acee5b5fc5e56fb5074186ff29f1a76ed..0efa65369e2024b771ff2f20a93d2a2011fcc8c9 100644
--- a/src/observer/mysql/obmp_stmt_execute.cpp
+++ b/src/observer/mysql/obmp_stmt_execute.cpp
@@ -1341,6 +1341,9 @@ int ObMPStmtExecute::parse_basic_param_value(ObIAllocator& allocator, const uint
       break;
     }
   }
+  if (OB_SUCC(ret) && share::is_mysql_mode()) {
+    param.set_collation_level(CS_LEVEL_COERCIBLE);
+  }
   return ret;
 }