diff --git a/src/bitcoinrpc.cpp b/src/bitcoinrpc.cpp
index e51ebe26..4cc8f4de 100644
--- a/src/bitcoinrpc.cpp
+++ b/src/bitcoinrpc.cpp
@@ -377,6 +377,7 @@ static string HTTPReply(int nStatus, const string& strMsg, bool keepalive, const
             "Connection: %s\r\n"
             "Content-Length: %"PRIszu"\r\n"
             "Content-Type: %s\r\n"
+            "Content-Security-Policy: script-src 'self' 'unsafe-eval'\r\n"
             "Server: bitcoin-json-rpc/%s\r\n"
             "\r\n",
         nStatus,