diff --git a/doc/manuals/Makefile b/doc/manuals/Makefile
index 63bd422..53cb8ff 100644
--- a/doc/manuals/Makefile
+++ b/doc/manuals/Makefile
@@ -2,8 +2,9 @@
 
 srcdir = .
 
-ASCIIDOC = icE1usb-usermanual.adoc
+ASCIIDOC = icE1usb-usermanual.adoc e1-tracer-usermanual.adoc
 include $(OSMO_GSM_MANUALS_DIR)/build/Makefile.asciidoc.inc
 icE1usb-usermanual.pdf: chapters/icE1usb/*.adoc
+e1-tracer-usermanual.pdf: chapters/e1-tracer/*.adoc
 
 include $(OSMO_GSM_MANUALS_DIR)/build/Makefile.common.inc