diff --git a/tools/lpcfix.c b/tools/lpcfix.c
index 20e27ce..3fb300d 100644
--- a/tools/lpcfix.c
+++ b/tools/lpcfix.c
@@ -9,6 +9,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <stdint.h>
+#include <getopt.h>
 
 #define CRC_CNT 7
 #define CRC_T uint32_t