diff --git a/src/bench/block_assemble.cpp b/src/bench/block_assemble.cpp
index 450f5bfb04..36fa175a76 100644
--- a/src/bench/block_assemble.cpp
+++ b/src/bench/block_assemble.cpp
@@ -9,6 +9,7 @@
 #include <consensus/validation.h>
 #include <miner.h>
 #include <policy/policy.h>
+#include <pow.h>
 #include <scheduler.h>
 #include <txdb.h>
 #include <txmempool.h>