diff --git a/lesson-3/FundMe.sol b/lesson-3/FundMe.sol
index 9f9c0c5..da8f0e4 100644
--- a/lesson-3/FundMe.sol
+++ b/lesson-3/FundMe.sol
@@ -37,7 +37,7 @@ contract FundMe {
     function fund() external payable {
         require(convertEthToUsd(msg.value) >= MINIMUM_VALUE, "Send more ETH");
         require(block.timestamp < deploymentTimestamp + lockTime, "window is closed");
-        fundersToAmount[msg.sender] = msg.value;
+        fundersToAmount[msg.sender] += msg.value;
     }
 
     function getChainlinkDataFeedLatestAnswer() public view returns (int) {
diff --git a/lesson-3/FundMe_flattened.sol b/lesson-3/FundMe_flattened.sol
index 105445b..65e09e0 100644
--- a/lesson-3/FundMe_flattened.sol
+++ b/lesson-3/FundMe_flattened.sol
@@ -61,7 +61,7 @@ contract FundMe {
     function fund() external payable {
         require(convertEthToUsd(msg.value) >= MINIMUM_VALUE, "Send more ETH");
         require(block.timestamp < deploymentTimestamp + lockTime, "window is closed");
-        fundersToAmount[msg.sender] = msg.value;
+        fundersToAmount[msg.sender] += msg.value;
     }
 
     function getChainlinkDataFeedLatestAnswer() public view returns (int) {