diff --git a/lib/Makefile.am b/lib/Makefile.am
index a7ae651..b149a97 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -52,8 +52,8 @@
 # so they will end up in our release tarballs.
 EXTRA_DIST = \
   cocoa \
-  hs    \
+  hs \
   ocaml \
-  php   \
-  erl   \
+  php \
+  erl \
   st