diff --git a/apps/finance/contracts/Finance.sol b/apps/finance/contracts/Finance.sol
index 2a374ba9..48fbfb61 100644
--- a/apps/finance/contracts/Finance.sol
+++ b/apps/finance/contracts/Finance.sol
@@ -105,7 +105,7 @@ contract Finance is AragonApp {
      * @dev Sends ETH to Vault. Sends all the available balance.
      * @notice Allows to send ETH from this contract to Vault, to avoid locking them in contract forever.
      */
-    function () isInitialized transitionsPeriod public payable {
+    function () external payable isInitialized transitionsPeriod {
         _recordIncomingTransaction(
             ETH,
             msg.sender,