diff --git a/lib/roken/roken.h b/lib/roken/roken.h
index d7a013a23..13a567898 100644
--- a/lib/roken/roken.h
+++ b/lib/roken/roken.h
@@ -52,6 +52,9 @@
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
 #endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
 #ifdef HAVE_SYS_UIO_H
 #include <sys/uio.h>
 #endif
diff --git a/lib/roken/roken.h.in b/lib/roken/roken.h.in
index d7a013a23..13a567898 100644
--- a/lib/roken/roken.h.in
+++ b/lib/roken/roken.h.in
@@ -52,6 +52,9 @@
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
 #endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
 #ifdef HAVE_SYS_UIO_H
 #include <sys/uio.h>
 #endif