diff --git a/doc/Makefile.am b/doc/Makefile.am
index 98bf4e1f0aa3cbbe119115dfd387ea7e238b41f0..ec5427fd57822f5f98bf805212480e9d2828bdd1 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -1,7 +1,7 @@
 docfiles = 
 
 if HAVE_PDFLATEX
-docfiles +=  boxmox_UserManual.pdf
+docfiles +=  boxmox_UserManual.tex boxmox_UserManual.pdf
 boxmox_UserManual.pdf : boxmox_UserManual.tex
 	@PDFLATEX@ $<
 	@PDFLATEX@ $<