From dc67cc09d1016d0d40abe87313b0978531f4ef6e Mon Sep 17 00:00:00 2001
From: Thrilok Kumar <thrilok2000@gmail.com>
Date: Thu, 24 Sep 2020 17:46:10 +0530
Subject: [PATCH] fixed bug

---
 contracts/flusher/flusher.sol | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contracts/flusher/flusher.sol b/contracts/flusher/flusher.sol
index 648b539..df4bf81 100644
--- a/contracts/flusher/flusher.sol
+++ b/contracts/flusher/flusher.sol
@@ -24,7 +24,7 @@ contract Flusher is Proxy {
 
     function setBasic(address newImplementation) public {
         require(_implementation() == address(0), "_implementation-logic-already-set");
-        require(newImplementation == address(0), "newImplementation-not-vaild");
+        require(newImplementation != address(0), "newImplementation-not-vaild");
         bytes32 slot = _IMPLEMENTATION_SLOT;
 
         // solhint-disable-next-line no-inline-assembly