diff --git a/src/crypto/flex/flex_keccak.h b/src/crypto/flex/flex_keccak.h
index 07d4ff80..95235382 100644
--- a/src/crypto/flex/flex_keccak.h
+++ b/src/crypto/flex/flex_keccak.h
@@ -43,7 +43,7 @@ extern "C" {
 // Taken from keccak-gate.h
 extern int flex_hard_coded_eb;
 
-#include "sph_types.h"
+#include "../ghostrider/sph_types.h"
 #include <stddef.h>
 
 /**