diff --git a/myems-api/core/user.py b/myems-api/core/user.py
index ee6996f3..e8c65a6e 100644
--- a/myems-api/core/user.py
+++ b/myems-api/core/user.py
@@ -814,7 +814,7 @@ class ResetPassword:
 
         query = (" SELECT name "
                  " FROM tbl_users "
-                 " WHERE uuid = %s AND is_admin = true ")
+                 " WHERE uuid = %s AND is_admin = 1 ")
         cursor.execute(query, (admin_user_uuid,))
         row = cursor.fetchone()
         if row is None:
diff --git a/myems-api/core/useractivity.py b/myems-api/core/useractivity.py
index b738b81d..3a9dda8d 100644
--- a/myems-api/core/useractivity.py
+++ b/myems-api/core/useractivity.py
@@ -52,7 +52,7 @@ def access_control(req):
                                    description='API.ADMINISTRATOR_SESSION_TIMEOUT')
     query = (" SELECT name "
              " FROM tbl_users "
-             " WHERE uuid = %s AND is_admin = true ")
+             " WHERE uuid = %s AND is_admin = 1 ")
     cursor.execute(query, (admin_user_uuid,))
     row = cursor.fetchone()
     cursor.close()