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-rw-r--r--examples/rt-link/rtlink_dev_example.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/examples/rt-link/rtlink_dev_example.c b/examples/rt-link/rtlink_dev_example.c
index d00f916efd..523b67ba53 100644
--- a/examples/rt-link/rtlink_dev_example.c
+++ b/examples/rt-link/rtlink_dev_example.c
@@ -48,7 +48,7 @@ static rt_err_t rtlink_dev_tx_done(rt_device_t dev, void *buffer)
#ifdef RT_USING_POSIX
#include <dfs_posix.h>
#include <poll.h>
-#include <dfs_select.h>
+#include <sys/select.h>
#define RTLINK01_PATH "/dev/rtlink01"
int fd = -1;