diff --git a/io/io_dontwantread.c b/io/io_dontwantread.c
index 265e425..c0ffae8 100644
--- a/io/io_dontwantread.c
+++ b/io/io_dontwantread.c
@@ -10,6 +10,7 @@
 #ifdef HAVE_EPOLL
 #include <inttypes.h>
 #include <sys/epoll.h>
+#include <byte.h>
 #endif
 #ifdef HAVE_DEVPOLL
 #include <sys/types.h>
diff --git a/io/io_dontwantwrite.c b/io/io_dontwantwrite.c
index 8c9fef2..1531976 100644
--- a/io/io_dontwantwrite.c
+++ b/io/io_dontwantwrite.c
@@ -10,6 +10,7 @@
 #ifdef HAVE_EPOLL
 #include <inttypes.h>
 #include <sys/epoll.h>
+#include <byte.h>
 #endif
 #ifdef HAVE_DEVPOLL
 #include <sys/types.h>
diff --git a/io/io_wantread.c b/io/io_wantread.c
index cd6207e..b6032b0 100644
--- a/io/io_wantread.c
+++ b/io/io_wantread.c
@@ -10,6 +10,7 @@
 #ifdef HAVE_EPOLL
 #include <inttypes.h>
 #include <sys/epoll.h>
+#include <byte.h>
 #endif
 #ifdef HAVE_SIGIO
 #include <sys/poll.h>
diff --git a/io/io_wantwrite.c b/io/io_wantwrite.c
index d5b9b21..afcfd70 100644
--- a/io/io_wantwrite.c
+++ b/io/io_wantwrite.c
@@ -10,6 +10,7 @@
 #ifdef HAVE_EPOLL
 #include <inttypes.h>
 #include <sys/epoll.h>
+#include <byte.h>
 #endif
 #ifdef HAVE_SIGIO
 #include <sys/poll.h>