diff --git a/upgrade_test/CMakeLists.txt b/upgrade_test/CMakeLists.txt
index 1e3a2562..f6c0e8b8 100644
--- a/upgrade_test/CMakeLists.txt
+++ b/upgrade_test/CMakeLists.txt
@@ -37,7 +37,7 @@ exec_program(
 )
 
 # check whether DDL file (*.sql) is modified
-file(GLOB ddl_files ${CMAKE_SOURCE_DIR}/*.sql)
+file(GLOB ddl_files ${CMAKE_SOURCE_DIR}/control/ddl/*.sql)
 foreach(ddl IN LISTS ddl_files)
   cmake_path(GET ddl FILENAME ddl)
   exec_program(