diff --git a/Src/CSharpier.Cli.Tests/CliTests.cs b/Src/CSharpier.Cli.Tests/CliTests.cs
index 009a9751a..f71659151 100644
--- a/Src/CSharpier.Cli.Tests/CliTests.cs
+++ b/Src/CSharpier.Cli.Tests/CliTests.cs
@@ -152,6 +152,42 @@ public async Task Should_Format_Piped_File(string lineEnding)
         result.ExitCode.Should().Be(0);
     }
 
+    [Test]
+    public async Task Should_Format_Piped_File_With_Config()
+    {
+        await this.WriteFileAsync(".csharpierrc", "printWidth: 10");
+
+        var formattedContent1 = "var x =\n    _________________longName;\n";
+        var unformattedContent1 = "var x = _________________longName;\n";
+
+        var result = await new CsharpierProcess()
+            .WithPipedInput(unformattedContent1)
+            .ExecuteAsync();
+
+        result.Output.Should().Be(formattedContent1);
+        result.ExitCode.Should().Be(0);
+    }
+
+    [Test]
+    public async Task Should_Format_Piped_File_With_EditorConfig()
+    {
+        await this.WriteFileAsync(
+            ".editorconfig",
+            @"[*]
+max_line_length = 10"
+        );
+
+        var formattedContent1 = "var x =\n    _________________longName;\n";
+        var unformattedContent1 = "var x = _________________longName;\n";
+
+        var result = await new CsharpierProcess()
+            .WithPipedInput(unformattedContent1)
+            .ExecuteAsync();
+
+        result.Output.Should().Be(formattedContent1);
+        result.ExitCode.Should().Be(0);
+    }
+
     [Test]
     public async Task Should_Format_Unicode()
     {
diff --git a/Src/CSharpier.Cli/CommandLineFormatter.cs b/Src/CSharpier.Cli/CommandLineFormatter.cs
index c45a179aa..cd74f9e1d 100644
--- a/Src/CSharpier.Cli/CommandLineFormatter.cs
+++ b/Src/CSharpier.Cli/CommandLineFormatter.cs
@@ -24,7 +24,15 @@ CancellationToken cancellationToken
 
             if (commandLineOptions.StandardInFileContents != null)
             {
-                var filePath = commandLineOptions.DirectoryOrFilePaths[0];
+                var directoryOrFilePath = commandLineOptions.DirectoryOrFilePaths[0];
+                var directoryPath = fileSystem.Directory.Exists(directoryOrFilePath)
+                    ? directoryOrFilePath
+                    : fileSystem.Path.GetDirectoryName(directoryOrFilePath);
+                var filePath =
+                    directoryOrFilePath != directoryPath
+                        ? directoryOrFilePath
+                        : Path.Combine(directoryPath, "StdIn.cs");
+
                 var fileToFormatInfo = FileToFormatInfo.Create(
                     filePath,
                     commandLineOptions.StandardInFileContents,
@@ -32,7 +40,7 @@ CancellationToken cancellationToken
                 );
 
                 var optionsProvider = await OptionsProvider.Create(
-                    fileSystem.Path.GetDirectoryName(filePath),
+                    directoryPath,
                     commandLineOptions.ConfigPath,
                     fileSystem,
                     logger,