diff --git a/src/crypto/equihash.cpp b/src/crypto/equihash.cpp
index d22244aa9..d98389861 100644
--- a/src/crypto/equihash.cpp
+++ b/src/crypto/equihash.cpp
@@ -16,6 +16,7 @@
 #include "config/bitcoin-config.h"
 #endif
 
+#include "compat/endian.h"
 #include "crypto/equihash.h"
 #include "util.h"