diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp
index 04c6ee236..87c5704f7 100644
--- a/src/wallet/wallet2.cpp
+++ b/src/wallet/wallet2.cpp
@@ -595,6 +595,7 @@ wallet2::wallet2(bool testnet, bool restricted):
   m_min_output_value(0),
   m_merge_destinations(false),
   m_confirm_backlog(true),
+  m_confirm_backlog_threshold(0),
   m_is_initialized(false),
   m_restricted(restricted),
   is_old_file_format(false),