diff --git a/myems-bacnet/acquisition.py b/myems-bacnet/acquisition.py
index 15f3381a..123a1ac4 100644
--- a/myems-bacnet/acquisition.py
+++ b/myems-bacnet/acquisition.py
@@ -154,7 +154,7 @@ def process(logger, ):
             try:
                 query = (" SELECT id, name, object_type, is_trend, ratio, address "
                          " FROM tbl_points "
-                         " WHERE data_source_id = %s "
+                         " WHERE data_source_id = %s AND is_virtual = FALSE "
                          " ORDER BY id ")
                 cursor_system_db.execute(query, (data_source_id,))
                 rows_points = cursor_system_db.fetchall()
diff --git a/myems-modbus-tcp/acquisition.py b/myems-modbus-tcp/acquisition.py
index 64487dd7..063384a7 100644
--- a/myems-modbus-tcp/acquisition.py
+++ b/myems-modbus-tcp/acquisition.py
@@ -56,7 +56,7 @@ def process(logger, data_source_id, host, port):
         try:
             query = (" SELECT id, name, object_type, is_trend, ratio, address "
                      " FROM tbl_points "
-                     " WHERE data_source_id = %s "
+                     " WHERE data_source_id = %s AND is_virtual = FALSE "
                      " ORDER BY id ")
             cursor_system_db.execute(query, (data_source_id, ))
             rows_point = cursor_system_db.fetchall()