diff --git a/ifc/history.json b/ifc/history.json
index c027e61..ba12371 100644
--- a/ifc/history.json
+++ b/ifc/history.json
@@ -1,4 +1,4 @@
 # ifc-commit
 
-- Source : [duplex.ifc](https://gitaec.org/rvba/ifc-commit/src/commit/26e38160cccef544497adec7dcff733d62e8ba59/ifc/duplex.ifc)
+- Source : [duplex_merge.ifc](https://gitaec.org/rvba/ifc-commit/src/commit/98554fcb53abe8a4625cfaa8a4b769678625fff5/ifc/duplex_merge.ifc)