diff --git a/sys/v4l2/gstv4l2object.c b/sys/v4l2/gstv4l2object.c
index 1f14cd6..c1b8b83 100644
--- a/sys/v4l2/gstv4l2object.c
+++ b/sys/v4l2/gstv4l2object.c
@@ -25,7 +25,6 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <errno.h>
-#include <unistd.h>
 #include <string.h>
 #include <sys/mman.h>
 #include <sys/ioctl.h>
diff --git a/sys/v4l2/gstv4l2object.h b/sys/v4l2/gstv4l2object.h
index fc3c4c7..9097a48 100644
--- a/sys/v4l2/gstv4l2object.h
+++ b/sys/v4l2/gstv4l2object.h
@@ -35,6 +35,7 @@
 #include <gst/base/gstpushsrc.h>
 
 #include <gst/video/video.h>
+#include <unistd.h>
 
 typedef struct _GstV4l2Object GstV4l2Object;
 typedef struct _GstV4l2ObjectClassHelper GstV4l2ObjectClassHelper;