diff --git a/src/notaries_staked.h b/src/notaries_staked.h
index 375077cac..c5ffe5219 100644
--- a/src/notaries_staked.h
+++ b/src/notaries_staked.h
@@ -2,6 +2,8 @@
 #ifndef NOTARIES_STAKED
 #define NOTARIES_STAKED
 
+#include "crosschain.h"
+
 static const int STAKED_ERA_GAP = 777;
 
 static const int STAKED_NOTARIES_TIMESTAMP1 = 1537859688;