diff --git a/doc/manuals/Makefile b/doc/manuals/Makefile
index 53cb8ff..14b2241 100644
--- a/doc/manuals/Makefile
+++ b/doc/manuals/Makefile
@@ -7,4 +7,5 @@
 icE1usb-usermanual.pdf: chapters/icE1usb/*.adoc
 e1-tracer-usermanual.pdf: chapters/e1-tracer/*.adoc
 
+OSMO_REPOSITORY = osmo-e1-hardware
 include $(OSMO_GSM_MANUALS_DIR)/build/Makefile.common.inc