diff --git a/tests/data/Makefile.am b/tests/data/Makefile.am
index 0eb85eb86..5c98aecde 100644
--- a/tests/data/Makefile.am
+++ b/tests/data/Makefile.am
@@ -71,4 +71,6 @@ command38.txt prot38.txt reply380001.txt name38.txt reply38.txt \
 command39.txt prot39.txt reply390001.txt name39.txt reply39.txt \
 reply390002.txt command122.txt reply122.txt name123.txt name122.txt \
 reply1220001.txt prot123.txt prot122.txt command123.txt reply123.txt \
-command300.txt name300.txt prot300.txt
+command300.txt name300.txt prot300.txt \
+command400.txt  name400.txt     prot400.txt     reply400.txt
+