diff --git a/audio/out/ao_pcm.c b/audio/out/ao_pcm.c
index ce55e70f03..585b1ef3ce 100644
--- a/audio/out/ao_pcm.c
+++ b/audio/out/ao_pcm.c
@@ -34,6 +34,7 @@
 #include "internal.h"
 #include "common/msg.h"
 #include "osdep/endian.h"
+#include "osdep/io.h"
 
 #ifdef _WIN32
 // for GetFileType to detect pipes
diff --git a/osdep/path-unix.c b/osdep/path-unix.c
index dd566a4234..ac131e4503 100644
--- a/osdep/path-unix.c
+++ b/osdep/path-unix.c
@@ -19,6 +19,7 @@
 
 #include "misc/bstr.h"
 #include "options/path.h"
+#include "osdep/io.h"
 #include "osdep/threads.h"
 #include "path.h"
 
diff --git a/stream/stream_bluray.c b/stream/stream_bluray.c
index 42a27b5253..ef048afd1f 100644
--- a/stream/stream_bluray.c
+++ b/stream/stream_bluray.c
@@ -45,6 +45,7 @@
 #include "options/options.h"
 #include "options/path.h"
 #include "stream.h"
+#include "osdep/io.h"
 #include "osdep/timer.h"
 #include "sub/osd.h"
 #include "sub/img_convert.h"
diff --git a/stream/stream_dvb.c b/stream/stream_dvb.c
index f9c33aaf87..72a836636c 100644
--- a/stream/stream_dvb.c
+++ b/stream/stream_dvb.c
@@ -53,6 +53,7 @@
 #include "options/m_option.h"
 #include "options/options.h"
 #include "options/path.h"
+#include "osdep/io.h"
 #include "osdep/poll_wrapper.h"
 #include "osdep/threads.h"
 
diff --git a/test/test_utils.c b/test/test_utils.c
index e95295779c..923efd94bc 100644
--- a/test/test_utils.c
+++ b/test/test_utils.c
@@ -3,6 +3,7 @@
 #include "common/msg.h"
 #include "options/m_option.h"
 #include "options/path.h"
+#include "osdep/io.h"
 #include "osdep/subprocess.h"
 #include "osdep/terminal.h"
 #include "test_utils.h"