diff --git a/fs/nxffs/nxffs_read.c b/fs/nxffs/nxffs_read.c
index 1403d24d7f7..94bcc9c2e4a 100644
--- a/fs/nxffs/nxffs_read.c
+++ b/fs/nxffs/nxffs_read.c
@@ -41,6 +41,7 @@
 
 #include <nuttx/config.h>
 
+#include <stdint.h>
 #include <string.h>
 #include <fcntl.h>
 #include <crc32.h>
@@ -154,7 +155,7 @@ ssize_t nxffs_read(FAR struct file *filep, FAR char *buffer, size_t buflen)
   size_t readsize;
   int ret;
 
-  finfo("Read %d bytes from offset %d\n", buflen, filep->f_pos);
+  finfo("Read %zu bytes from offset %jd\n", buflen, (intmax_t)filep->f_pos);
 
   /* Sanity checks */