diff --git a/src/init.cpp b/src/init.cpp
index 95ec45015..2a13af669 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -23,6 +23,7 @@
 #include "ui_interface.h"
 #include "util.h"
 #include "utilmoneystr.h"
+#include "validationinterface.h"
 #ifdef ENABLE_WALLET
 #include "wallet/wallet.h"
 #include "wallet/walletdb.h"
diff --git a/src/rpcmining.cpp b/src/rpcmining.cpp
index a07acea9a..17db221cb 100644
--- a/src/rpcmining.cpp
+++ b/src/rpcmining.cpp
@@ -13,6 +13,7 @@
 #include "pow.h"
 #include "rpcserver.h"
 #include "util.h"
+#include "validationinterface.h"
 #ifdef ENABLE_WALLET
 #include "wallet/db.h"
 #include "wallet/wallet.h"