--- panel-plugin/devperf.c	2018-11-02 10:31:36.750842536 +0100
+++ panel-plugin/devperf.c	2018-11-02 10:33:18.000838499 +0100
@@ -39,8 +35,8 @@
 #include <errno.h>
 #include <sys/time.h>
+#include <sys/types.h>
 /* for major() and minor() */
-#define _BSD_SOURCE
-#include <sys/types.h>
+#include <sys/sysmacros.h>
 
 
 #if defined(__linux__)
