1 files changed, 4 insertions, 1 deletions
diff --git a/libavdevice/lavfi.c b/libavdevice/lavfi.c
index 9be2d0e724..f96fe8352c 100644
--- a/libavdevice/lavfi.c
+++ b/libavdevice/lavfi.c
@@ -27,7 +27,6 @@
 
 #include <float.h>              /* DBL_MIN, DBL_MAX */
 #include <fcntl.h>              /* O_RDONLY */
-#include <unistd.h>             /* close() */
 
 #include "libavutil/bprint.h"
 #include "libavutil/channel_layout.h"
@@ -43,6 +42,10 @@
 #include "libavformat/internal.h"
 #include "avdevice.h"
 
+#if HAVE_UNISTD_H
+#include <unistd.h>             /* close() */
+#endif
+
 typedef struct {
     AVClass *class;          ///< class for private options
     char          *graph_str;