diff --git a/epmet-module/gov-project/gov-project-server/src/main/resources/mapper/ProjectStaffDao.xml b/epmet-module/gov-project/gov-project-server/src/main/resources/mapper/ProjectStaffDao.xml
index 8fe0e2d5f4..ebeb87a063 100644
--- a/epmet-module/gov-project/gov-project-server/src/main/resources/mapper/ProjectStaffDao.xml
+++ b/epmet-module/gov-project/gov-project-server/src/main/resources/mapper/ProjectStaffDao.xml
@@ -34,7 +34,7 @@
     </select>
     <select id="selectProjectStaffInfo" resultType="com.epmet.dto.ProjectStaffDTO">
         SELECT ps.* FROM project_staff ps
-        INNER JOIN project_process pp ON ps.DEPARTMENT_NAME = pp.DEPARTMENT_NAME AND ps.STAFF_ID = pp.STAFF_ID
+        INNER JOIN project_process pp ON ps.DEPARTMENT_NAME = pp.DEPARTMENT_NAME AND ps.STAFF_ID = pp.STAFF_ID AND ps.PROJECT_ID = pp.PROJECT_ID
         WHERE ps.DEL_FLAG = '0'
             AND pp.DEL_FLAG = '0'
             AND pp.ID = #{processId}