diff --git a/src/sql/ob_spi.cpp b/src/sql/ob_spi.cpp
index 9dd847a602..75e6ee5619 100644
--- a/src/sql/ob_spi.cpp
+++ b/src/sql/ob_spi.cpp
@@ -2355,6 +2355,9 @@ int ObSPIService::calc_dynamic_sqlstr(
     ObCharsetType client_cs_type = CHARSET_INVALID;
 
     OZ (result.get_string(tmp_sql));
+    if (OB_SUCC(ret) && tmp_sql.length() > 1 && ';' == tmp_sql[tmp_sql.length() - 1]) {
+      tmp_sql.assign_ptr(tmp_sql.ptr(), tmp_sql.length() - 1);
+    }
     OZ (ctx->exec_ctx_->get_my_session()->get_character_set_client(client_cs_type));
     OZ (ObCharset::charset_convert(temp_allocator, tmp_sql,
                                    result.get_collation_type(),