1 files changed, 1 insertions, 0 deletions

diff --git a/openbsd-compat/rresvport.c b/openbsd-compat/rresvport.c
index 5b0275ce0..1cd61e58d 100644
--- a/openbsd-compat/rresvport.c
+++ b/openbsd-compat/rresvport.c
@@ -44,6 +44,7 @@
 #include <errno.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 #if 0
 int