diff --git a/src/rpc/rpc_payment.cpp b/src/rpc/rpc_payment.cpp
index 0637db728..b363c27b2 100644
--- a/src/rpc/rpc_payment.cpp
+++ b/src/rpc/rpc_payment.cpp
@@ -59,6 +59,10 @@
 namespace cryptonote
 {
   rpc_payment::client_info::client_info():
+    previous_seed_height(0),
+    seed_height(0),
+    previous_seed_hash(crypto::null_hash),
+    seed_hash(crypto::null_hash),
     cookie(0),
     top(crypto::null_hash),
     previous_top(crypto::null_hash),