diff --git a/drivers/mtd/sst25xx.c b/drivers/mtd/sst25xx.c
index 1f393d8e64..95ee4c70e7 100644
--- a/drivers/mtd/sst25xx.c
+++ b/drivers/mtd/sst25xx.c
@@ -48,6 +48,7 @@
 #include <nuttx/config.h>
 
 #include <sys/types.h>
+#include <inttypes.h>
 #include <stdint.h>
 #include <stdbool.h>
 #include <stdlib.h>
@@ -908,7 +909,8 @@ static int sst25xx_ioctl(FAR struct mtd_dev_s *dev, int cmd,
 
               ret = OK;
 
-              finfo("blocksize: %d erasesize: %d neraseblocks: %d\n",
+              finfo("blocksize: %" PRId32 " erasesize: %" PRId32
+                    " neraseblocks: %" PRId32 "\n",
                     geo->blocksize, geo->erasesize, geo->neraseblocks);
             }
         }