1 files changed, 2 insertions, 1 deletions

diff --git a/src/lib/libcrypto/x509/x509.h b/src/lib/libcrypto/x509/x509.h
index 2b0435686a..6a29e4bd71 100644
--- a/src/lib/libcrypto/x509/x509.h
+++ b/src/lib/libcrypto/x509/x509.h
@@ -64,7 +64,8 @@
 #ifndef HEADER_X509_H
 #define HEADER_X509_H
 
-#include <openssl/e_os2.h>
+#include <openssl/opensslconf.h>
+
 #ifndef OPENSSL_NO_BUFFER
 #include <openssl/buffer.h>
 #endif