diff --git a/lib/ipc/Makefile.am b/lib/ipc/Makefile.am
index 0fb8c9bb4..36df52538 100644
--- a/lib/ipc/Makefile.am
+++ b/lib/ipc/Makefile.am
@@ -33,7 +33,7 @@ tc_LDADD = libheim-ipcc.la $(LIB_roken)
 
 if have_gcd
 
-EXTRA_DIST = heim_ipc.defs heim_ipc_async.defs
+EXTRA_DIST = heim_ipc.defs heim_ipc_async.defs heim_ipc_reply.defs
 
 heim_ipc.h heim_ipcUser.c heim_ipcServer.c heim_ipcServer.h: heim_ipc.defs
 	mig -header heim_ipc.h -user heim_ipcUser.c -sheader heim_ipcServer.h -server heim_ipcServer.c -I$(srcdir) $(srcdir)/heim_ipc.defs