diff --git a/crypto/Makefile.am b/crypto/Makefile.am
index 5b7aa95..ccbbce1 100644
--- a/crypto/Makefile.am
+++ b/crypto/Makefile.am
@@ -774,6 +774,7 @@ libcrypto_la_SOURCES += x509/x509spki.c
 libcrypto_la_SOURCES += x509/x509type.c
 libcrypto_la_SOURCES += x509/x_all.c
 noinst_HEADERS += x509/x509_lcl.h
+noinst_HEADERS += x509/vpm_int.h
 
 # x509v3
 libcrypto_la_SOURCES += x509v3/pcy_cache.c