Index: uspace/app/sysinfo/sysinfo.c
===================================================================
--- uspace/app/sysinfo/sysinfo.c	(revision 0499235e345045484c1955319c1a9dbb3b458548)
+++ uspace/app/sysinfo/sysinfo.c	(revision 6c942e10a02b225eb8ff89d4c66b0974960f4f4c)
@@ -36,4 +36,5 @@
 #include <errno.h>
 #include <stdio.h>
+#include <unistd.h>
 #include <sysinfo.h>
 #include <malloc.h>