diff --git a/src/ripple/app/misc/NegativeUNLVote.cpp b/src/ripple/app/misc/NegativeUNLVote.cpp
index cd964ac6c..e05767542 100644
--- a/src/ripple/app/misc/NegativeUNLVote.cpp
+++ b/src/ripple/app/misc/NegativeUNLVote.cpp
@@ -21,6 +21,7 @@
 #include <ripple/app/ledger/Ledger.h>
 #include <ripple/app/main/Application.h>
 #include <ripple/app/misc/NegativeUNLVote.h>
+#include <ripple/json/to_string.h>
 
 namespace ripple {
 
diff --git a/src/test/rpc/LedgerRPC_test.cpp b/src/test/rpc/LedgerRPC_test.cpp
index de141311b..116aa4d51 100644
--- a/src/test/rpc/LedgerRPC_test.cpp
+++ b/src/test/rpc/LedgerRPC_test.cpp
@@ -24,6 +24,7 @@
 #include <ripple/beast/unit_test.h>
 #include <ripple/protocol/ErrorCodes.h>
 #include <ripple/protocol/jss.h>
+#include <test/app/Import_json.h>
 #include <test/jtx.h>
 
 namespace ripple {