diff --git a/src/wallet/api/wallet_manager.cpp b/src/wallet/api/wallet_manager.cpp
index 417a27db5..f5d5e2168 100644
--- a/src/wallet/api/wallet_manager.cpp
+++ b/src/wallet/api/wallet_manager.cpp
@@ -49,6 +49,11 @@ namespace epee {
 
 namespace Monero {
 
+WalletManagerImpl::WalletManagerImpl()
+{
+    tools::set_strict_default_file_permissions(true);
+}
+
 Wallet *WalletManagerImpl::createWallet(const std::string &path, const std::string &password,
                                     const std::string &language, NetworkType nettype, uint64_t kdf_rounds)
 {
diff --git a/src/wallet/api/wallet_manager.h b/src/wallet/api/wallet_manager.h
index cf3056a17..1e8cff877 100644
--- a/src/wallet/api/wallet_manager.h
+++ b/src/wallet/api/wallet_manager.h
@@ -95,7 +95,7 @@ public:
     bool setProxy(const std::string &address) override;
 
 private:
-    WalletManagerImpl() {}
+    WalletManagerImpl();
     friend struct WalletManagerFactory;
     net::http::client m_http_client;
     std::string m_errorString;