diff --git a/src/libcrypto.c b/src/libcrypto.c
index a89adb3b..ad743609 100644
--- a/src/libcrypto.c
+++ b/src/libcrypto.c
@@ -43,6 +43,7 @@
 #include <openssl/hmac.h>
 #include <openssl/opensslv.h>
 #include <openssl/rand.h>
+
 #include "libcrypto-compat.h"
 
 #ifdef HAVE_OPENSSL_AES_H
@@ -65,6 +66,10 @@
 #include <openssl/kdf.h>
 #endif
 
+#ifdef HAVE_OPENSSL_CRYPTO_CTR128_ENCRYPT
+#include <openssl/modes.h>
+#endif
+
 #include "libssh/crypto.h"
 
 static int libcrypto_initialized = 0;