diff --git a/src/ssl_sock.c b/src/ssl_sock.c
index 271940a35..daf428247 100644
--- a/src/ssl_sock.c
+++ b/src/ssl_sock.c
@@ -43,7 +43,6 @@
 #include <openssl/ssl.h>
 #include <openssl/x509.h>
 #include <openssl/x509v3.h>
-#include <openssl/x509.h>
 #include <openssl/err.h>
 #include <openssl/rand.h>
 #include <openssl/hmac.h>