diff --git a/man/io_uring_buf_ring_advance.3 b/man/io_uring_buf_ring_advance.3
index 29a35784..f2dc90b5 100644
--- a/man/io_uring_buf_ring_advance.3
+++ b/man/io_uring_buf_ring_advance.3
@@ -9,8 +9,8 @@ io_uring_buf_ring_advance \- advance index of provided buffer in buffer ring
 .nf
 .B #include <liburing.h>
 .PP
-.BI "int io_uring_buf_ring_advance(struct io_uring_buf_ring *" br ",
-.BI "                              int " count ");"
+.BI "void io_uring_buf_ring_advance(struct io_uring_buf_ring *" br ",
+.BI "                               int " count ");"
 .fi
 .SH DESCRIPTION
 .PP
diff --git a/man/io_uring_buf_ring_cq_advance.3 b/man/io_uring_buf_ring_cq_advance.3
index caf882f8..4967a845 100644
--- a/man/io_uring_buf_ring_cq_advance.3
+++ b/man/io_uring_buf_ring_cq_advance.3
@@ -9,9 +9,9 @@ io_uring_buf_ring_cq_advance \- advance index of provided buffer and CQ ring
 .nf
 .B #include <liburing.h>
 .PP
-.BI "int io_uring_buf_ring_cq_advance(struct io_uring *" ring ",
-.BI "                                 struct io_uring_buf_ring *" br ",
-.BI "                                 int " count ");"
+.BI "void io_uring_buf_ring_cq_advance(struct io_uring *" ring ",
+.BI "                                  struct io_uring_buf_ring *" br ",
+.BI "                                  int " count ");"
 .fi
 .SH DESCRIPTION
 .PP
diff --git a/test/helpers.h b/test/helpers.h
index 5e9bb261..4375a9e4 100644
--- a/test/helpers.h
+++ b/test/helpers.h
@@ -10,6 +10,7 @@ extern "C" {
 #endif
 
 #include "liburing.h"
+#include <arpa/inet.h>
 
 enum t_setup_ret {
 	T_SETUP_OK	= 0,