diff --git a/crypto/shamir.c b/crypto/shamir.c
index b825dad23e..d082478969 100644
--- a/crypto/shamir.c
+++ b/crypto/shamir.c
@@ -36,9 +36,9 @@
  * lookup operations, as all proper crypto code must be.
  */
 
-#include "shamir.h"
 #include <string.h>
 #include "memzero.h"
+#include "shamir.h"
 
 static void bitslice(uint32_t r[8], const uint8_t *x, size_t len) {
   size_t bit_idx, arr_idx;