1 files changed, 3 insertions, 0 deletions

diff --git a/src/lib/libcrypto/evp/c_all.c b/src/lib/libcrypto/evp/c_all.c
index 1b31a14e37..fa60a73ead 100644
--- a/src/lib/libcrypto/evp/c_all.c
+++ b/src/lib/libcrypto/evp/c_all.c
@@ -59,6 +59,9 @@
 #include <stdio.h>
 #include "cryptlib.h"
 #include <openssl/evp.h>
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
 
 #if 0
 #undef OpenSSL_add_all_algorithms