diff --git a/crypto/install.com b/crypto/install.com
index d7aaa3f92..29763391e 100644
--- a/crypto/install.com
+++ b/crypto/install.com
@@ -38,7 +38,8 @@ $	SDIRS := ,MD2,MD4,MD5,SHA,MDC2,HMAC,RIPEMD,-
 		 BUFFER,BIO,STACK,LHASH,RAND,ERR,OBJECTS,-
 		 EVP,ASN1,PEM,X509,X509V3,CONF,TXT_DB,PKCS7,PKCS12,COMP,OCSP,-
 		 UI,KRB5
-$	EXHEADER_ := crypto.h,tmdiff.h,opensslv.h,opensslconf.h,ebcdic.h,symhacks.h
+$	EXHEADER_ := crypto.h,tmdiff.h,opensslv.h,opensslconf.h,ebcdic.h,-
+		symhacks.h,ossl_typ.h
 $	EXHEADER_MD2 := md2.h
 $	EXHEADER_MD4 := md4.h
 $	EXHEADER_MD5 := md5.h