diff --git a/src/jrd/dfw.epp b/src/jrd/dfw.epp
index a2a1c86066..ff12e5e46f 100644
--- a/src/jrd/dfw.epp
+++ b/src/jrd/dfw.epp
@@ -5601,7 +5601,7 @@ static Format* make_format(thread_db* tdbb, jrd_rel* relation, USHORT* version,
 		buffer[pos] = UCHAR(dflCount);
 		buffer[pos + 1] = UCHAR(dflCount >> 8);
 
-		blob->BLB_put_segment(tdbb, buffer.begin(), buffer.getCount());
+		blob->BLB_put_data(tdbb, buffer.begin(), buffer.getCount());
 		blob->BLB_close(tdbb);
 	}
 	END_STORE