diff --git a/doc/doxygen/Makefile.am b/doc/doxygen/Makefile.am
index 67907277e..33a820a45 100644
--- a/doc/doxygen/Makefile.am
+++ b/doc/doxygen/Makefile.am
@@ -1,4 +1,4 @@
-EXTRA_DIST  = Cantera.txt cantera.page cantera.doc cantera.sty cantera.dox
+EXTRA_DIST  = Cantera.txt cantera.page cantera.doc cantera.sty cantera.dox Makefile.am
 
 DISTDIRS=txt_common