diff --git a/package/system/mtd/src/mtd.h b/package/system/mtd/src/mtd.h
index f2e44c7f5f..5d33e41a90 100644
--- a/package/system/mtd/src/mtd.h
+++ b/package/system/mtd/src/mtd.h
@@ -2,6 +2,7 @@
 #define __mtd_h
 
 #include <stdbool.h>
+#include <stdint.h>
 
 #if defined(target_brcm47xx) || defined(target_bcm53xx)
 #define target_brcm 1