diff --git a/hex2dfu.c b/hex2dfu.c
index 5955433..dbb39bc 100644
--- a/hex2dfu.c
+++ b/hex2dfu.c
@@ -2,6 +2,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <stdint.h>
 #include <unistd.h>
 
 #define TARGET_NAME_ENCEDO  "EncedoKey"