diff --git a/Makefile.am b/Makefile.am
index 3ea27798..e100965b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -5,7 +5,8 @@ ACLOCAL_AMFLAGS = -I m4
 
 SUBDIRS = src conf debian doc web admin win32
 
-EXTRA_DIST = HACKING m4/acx_pthread.m4 m4/ogg.m4 m4/vorbis.m4 \
+EXTRA_DIST = HACKING m4/acx_pthread.m4 m4/ogg.m4 \
+    m4/theora.m4 m4/vorbis.m4 \
     m4/xiph_compiler.m4 m4/xiph_curl.m4 m4/xiph_net.m4 \
     m4/xiph_types.m4 m4/xiph_xml2.m4 icecast.spec