diff --git a/rai/core_test/rpc.cpp b/rai/core_test/rpc.cpp
index f1ee58a0..7ce73774 100644
--- a/rai/core_test/rpc.cpp
+++ b/rai/core_test/rpc.cpp
@@ -1385,9 +1385,11 @@ TEST (rpc, version)
     ASSERT_EQ (200, response1.status);
 	ASSERT_EQ ("10", response1.json.get <std::string> ("store_version"));
 	ASSERT_EQ (boost::str (boost::format ("RaiBlocks %1%.%2%") % RAIBLOCKS_VERSION_MAJOR % RAIBLOCKS_VERSION_MINOR), response1.json.get <std::string> ("node_vendor"));
-	auto headers (response1.resp.find ("Access-Control-Allow-Origin"));
-	ASSERT_NE (response1.resp.end (), headers);
-	ASSERT_EQ ("*", headers->value ());
+	auto headers (response1.resp.base());
+	auto allowed_origin (headers.at ("Access-Control-Allow-Origin"));
+	auto allowed_headers (headers.at ("Access-Control-Allow-Headers"));
+	ASSERT_EQ ("*", allowed_origin);
+	ASSERT_EQ ("Accept, Accept-Language, Content-Language, Content-Type", allowed_headers);
 }
 
 TEST (rpc, work_generate)
diff --git a/rai/node/rpc.cpp b/rai/node/rpc.cpp
index 380796cd..74700578 100755
--- a/rai/node/rpc.cpp
+++ b/rai/node/rpc.cpp
@@ -4115,8 +4115,9 @@ void rai::rpc_connection::parse_connection ()
 					boost::property_tree::write_json (ostream, tree_a);
 					ostream.flush ();
 					auto body (ostream.str ());
-					this_l->res.set ("content-type", "application/json");
-					this_l->res.set ("Access-Control-Allow-Origin",  "*");
+					this_l->res.set ("Content-Type", "application/json");
+					this_l->res.set ("Access-Control-Allow-Origin", "*");
+					this_l->res.set ("Access-Control-Allow-Headers", "Accept, Accept-Language, Content-Language, Content-Type");
 					this_l->res.result(boost::beast::http::status::ok);
 					this_l->res.body = body;
 					this_l->res.version = version;