1 files changed, 1 insertions, 0 deletions
diff --git a/gisi/pep.c b/gisi/pep.c
index abfe1069..04d3e637 100644
--- a/gisi/pep.c
+++ b/gisi/pep.c
@@ -29,6 +29,7 @@
 #include <sys/ioctl.h>
 #include <net/if.h>
 #include <fcntl.h>
+#include <unistd.h>
 #include <glib.h>
 
 #include "phonet.h"