diff --git a/lib/libwebsockets.c b/lib/libwebsockets.c
index 2f8b4536..18c780b5 100644
--- a/lib/libwebsockets.c
+++ b/lib/libwebsockets.c
@@ -2800,8 +2800,8 @@ libwebsocket_create_context(int port, const char *interf,
 		/* openssl init for server sockets */
 
 		/* set the local certificate from CertFile */
-		n = SSL_CTX_use_certificate_file(context->ssl_ctx,
-					ssl_cert_filepath, SSL_FILETYPE_PEM);
+		n = SSL_CTX_use_certificate_chain_file(context->ssl_ctx,
+					ssl_cert_filepath);
 		if (n != 1) {
 			fprintf(stderr, "problem getting cert '%s': %s\n",
 				ssl_cert_filepath,