diff --git a/Crypto LP Compounder/Crypto LP Compounder.csproj b/Crypto LP Compounder/Crypto LP Compounder.csproj
index 4a97aac..cd1c49a 100644
--- a/Crypto LP Compounder/Crypto LP Compounder.csproj	
+++ b/Crypto LP Compounder/Crypto LP Compounder.csproj	
@@ -9,7 +9,7 @@
     <Copyright>Copyright © lwYeo 2021</Copyright>
     <Company>lwYeo@github</Company>
     <Authors>lwYeo</Authors>
-    <Version>0.1.14</Version>
+    <Version>0.1.15</Version>
     <RepositoryType>GitHub</RepositoryType>
     <RepositoryUrl>https://github.com/lwYeo/CryptoLP_Compounder</RepositoryUrl>
     <Product>Crypto LP Compounder</Product>
diff --git a/Crypto LP Compounder/Log.cs b/Crypto LP Compounder/Log.cs
index 45ca409..15fee52 100644
--- a/Crypto LP Compounder/Log.cs	
+++ b/Crypto LP Compounder/Log.cs	
@@ -168,10 +168,10 @@ private void DeleteOldLogs()
 
             string[] logsToKeep =
                 Enumerable.Range(0, _DeleteLogAfterDays)
-                .Select(i => GetLogFileName(DateTime.Today.AddDays(i)))
+                .Select(i => GetLogFileName(DateTime.Today.AddDays(-i)))
                 .Concat(
                     Enumerable.Range(0, _DeleteLogAfterDays)
-                    .Select(i => GetProcessLogFileName(DateTime.Today.AddDays(i))))
+                    .Select(i => GetProcessLogFileName(DateTime.Today.AddDays(-i))))
                 .ToArray();
 
             string[] logsToDelete = foundLogs.Except(logsToKeep).ToArray();