diff --git a/include/Makefile.am b/include/Makefile.am
index 976a9f9..a0bbf6f 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -12,6 +12,7 @@ noinst_HEADERS += compat/fcntl.h
 noinst_HEADERS += compat/limits.h
 noinst_HEADERS += compat/netdb.h
 noinst_HEADERS += compat/poll.h
+noinst_HEADERS += compat/pthread.h
 noinst_HEADERS += compat/readpassphrase.h
 noinst_HEADERS += compat/resolv.h
 noinst_HEADERS += compat/stdio.h
@@ -21,6 +22,7 @@ noinst_HEADERS += compat/time.h
 noinst_HEADERS += compat/unistd.h
 noinst_HEADERS += compat/win32netcompat.h
 
+noinst_HEADERS += compat/arpa/inet.h
 noinst_HEADERS += compat/arpa/nameser.h
 
 noinst_HEADERS += compat/machine/endian.h