diff --git a/src/wallet/plain_wallet_api.cpp b/src/wallet/plain_wallet_api.cpp
index b5241548..8f8846c1 100644
--- a/src/wallet/plain_wallet_api.cpp
+++ b/src/wallet/plain_wallet_api.cpp
@@ -141,6 +141,7 @@ namespace plain_wallet
     GET_INSTANCE(pimpl, h);
     return pimpl->cancel_sync_thread();
   }
+
   std::string sync(hwallet h)
   {
     GET_INSTANCE(pimpl, h);
diff --git a/src/wallet/plain_wallet_api.h b/src/wallet/plain_wallet_api.h
index 0b9bb92a..ae58ba0c 100644
--- a/src/wallet/plain_wallet_api.h
+++ b/src/wallet/plain_wallet_api.h
@@ -21,6 +21,7 @@ namespace plain_wallet
 
   std::string start_sync_thread(hwallet h);
   std::string get_sync_status(hwallet h);
+  std::string cancel_sync_thread(hwallet h);
   std::string sync(hwallet h);
   std::string invoke(hwallet h, const std::string& params);
 }
\ No newline at end of file