diff --git a/BackupManager/BackupManager.csproj b/BackupManager/BackupManager.csproj
index a6eb3a3..67dfbf7 100644
--- a/BackupManager/BackupManager.csproj
+++ b/BackupManager/BackupManager.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/BackupManager/Program.cs b/BackupManager/Program.cs
index 141d23a..7c49038 100644
--- a/BackupManager/Program.cs
+++ b/BackupManager/Program.cs
@@ -146,7 +146,8 @@ namespace BackupManager {
                 Log($@"MariaDB dump done.");
                 File.Delete(sqldefaults);
 
-                if (Directory.Exists(Config.MisuzuPath)) {
+                if (!string.IsNullOrWhiteSpace(Config.MisuzuPath)
+                    && Directory.Exists(Config.MisuzuPath)) {
                     Log(@"Filesystem backup...");
                     string mszConfig = Path.Combine(Config.MisuzuPath, @"config/config.ini");