diff --git a/doc/models/Makefile b/doc/models/Makefile
index 08aec6c52..5c79f025b 100644
--- a/doc/models/Makefile
+++ b/doc/models/Makefile
@@ -81,6 +81,7 @@ SOURCES = \
 	$(SRC)/traffic-control/doc/traffic-control-layer.rst \
 	$(SRC)/traffic-control/doc/queue-discs.rst \
 	$(SRC)/traffic-control/doc/pfifo-fast.rst \
+	$(SRC)/traffic-control/doc/fifo.rst \
 	$(SRC)/traffic-control/doc/red.rst \
 	$(SRC)/traffic-control/doc/codel.rst \
 	$(SRC)/traffic-control/doc/fq-codel.rst \