diff --git a/tests/files/Makefile.am b/tests/files/Makefile.am
index 5258f24d1d..fb3bba53f6 100644
--- a/tests/files/Makefile.am
+++ b/tests/files/Makefile.am
@@ -1,2 +1,3 @@
 EXTRA_DIST = \
+	623663.mts \
 	partialframe.mjpeg