diff --git a/src/jrd/req.h b/src/jrd/req.h
index 8196fc5d0b..42cd9b4230 100644
--- a/src/jrd/req.h
+++ b/src/jrd/req.h
@@ -60,7 +60,14 @@ class thread_db;
 struct record_param
 {
 	record_param() :
-		rpb_relation(0),
+		rpb_transaction_nr(0), rpb_relation(0), rpb_record(NULL), rpb_prior(NULL),
+		rpb_copy(NULL), rpb_undo(NULL), rpb_format_number(0),
+		rpb_page(0), rpb_line(0),
+		rpb_f_page(0), rpb_f_line(0),
+		rpb_b_page(0), rpb_b_line(0),
+		rpb_address(NULL), rpb_length(0), rpb_flags(0), rpb_stream_flags(0),
+		rpb_org_scans(0),
+		rpb_ext_pos(0),
 		rpb_window(DB_PAGE_SPACE, -1)
 		{}
 	RecordNumber rpb_number;		// record number in relation