diff --git a/src/pow.cpp b/src/pow.cpp
index fde35cb57..033f8d9e3 100644
--- a/src/pow.cpp
+++ b/src/pow.cpp
@@ -13,6 +13,7 @@
 #include "streams.h"
 #include "uint256.h"
 #include "util.h"
+#include "consensus/validation.h"
 
 #include "sodium.h"