diff --git a/crypto/md5/Makefile.ssl b/crypto/md5/Makefile.ssl
index cbb05263f..e28bb9245 100644
--- a/crypto/md5/Makefile.ssl
+++ b/crypto/md5/Makefile.ssl
@@ -129,7 +129,8 @@ clean:
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.
 
-md5_dgst.o: ../../include/openssl/md5.h ../../include/openssl/opensslconf.h
+md5_dgst.o: ../../include/openssl/e_os2.h ../../include/openssl/md5.h
+md5_dgst.o: ../../include/openssl/opensslconf.h
 md5_dgst.o: ../../include/openssl/opensslv.h ../md32_common.h md5_dgst.c
 md5_dgst.o: md5_locl.h
 md5_one.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h