Index: libucdf/ucdf.c
===================================================================
--- libucdf/ucdf.c	(revision 35439)
+++ libucdf/ucdf.c	(revision 35440)
@@ -626,8 +626,8 @@
 	if (sect_id < 0)
 		return -1;
 
-	fp->stream_offs += offs;
-	fp->sect_offs += sect_offs;
+	fp->stream_offs = offs;
+	fp->sect_offs = sect_offs;
 	fp->sect_id = sect_id;
 	return 0;
 }