diff --git a/src/include/gen/ids.h b/src/include/gen/ids.h
index e66eb9ab64..11d478c532 100644
--- a/src/include/gen/ids.h
+++ b/src/include/gen/ids.h
@@ -315,7 +315,7 @@ enum fids {
 	f_mon_db_forced_writes,
 	f_mon_db_res_space,
 	f_mon_db_created,
-	f_mon_db_size,
+	f_mon_db_pages,
 	f_mon_db_cur_mem,
 	f_mon_db_max_mem,
 	f_mon_db_page_reads,
diff --git a/src/jrd/DatabaseSnapshot.cpp b/src/jrd/DatabaseSnapshot.cpp
index 8eb7156bbe..e908c66e83 100644
--- a/src/jrd/DatabaseSnapshot.cpp
+++ b/src/jrd/DatabaseSnapshot.cpp
@@ -311,7 +311,7 @@ void DatabaseSnapshot::putDatabase(Database* dbb, RecordBuffer* buffer)
 	putField(record, f_mon_db_created, &dbb->dbb_creation_date.value());
 	// database size
 	temp_int64 = PIO_act_alloc(dbb);
-	putField(record, f_mon_db_size, &temp_int64);
+	putField(record, f_mon_db_pages, &temp_int64);
 	// current memory usage
 	temp_int64 = dbb->dbb_memory_stats.get_current_usage();
 	putField(record, f_mon_db_cur_mem, &temp_int64);