diff --git a/utils/mctp-demux-daemon.c b/utils/mctp-demux-daemon.c
index fae4f35..7357d43 100644
--- a/utils/mctp-demux-daemon.c
+++ b/utils/mctp-demux-daemon.c
@@ -2,7 +2,9 @@
 
 #define _GNU_SOURCE
 
+#ifdef HAVE_CONFIG_H
 #include "config.h"
+#endif
 
 #define SD_LISTEN_FDS_START 3
 
@@ -64,7 +66,7 @@
 	struct binding *binding;
 	bool verbose;
 	int local_eid;
-	void *buf;
+	uint8_t *buf;
 	size_t buf_size;
 
 	int sock;