    // The arbitrage profits are deposited in the Pools contract as WETH and owned by the DAO.
    uint256 depositedWETH = pools.depositedUserBalance(address(this), weth );
-   if ( depositedWETH == 0 )
+   if ( depositedWETH <= PoolUtils.DUST )
        return 0;

    pools.withdraw( weth, depositedWETH );
