diff --git a/Il2CppInspector.Common/Outputs/CSharpCodeStubs.cs b/Il2CppInspector.Common/Outputs/CSharpCodeStubs.cs
index e6b39d2..43e6293 100644
--- a/Il2CppInspector.Common/Outputs/CSharpCodeStubs.cs
+++ b/Il2CppInspector.Common/Outputs/CSharpCodeStubs.cs
@@ -263,6 +263,10 @@ namespace Il2CppInspector.Outputs
             if (!string.IsNullOrEmpty(Path.GetDirectoryName(outFile)))
                 Directory.CreateDirectory(Path.GetDirectoryName(outFile));
 
+            // Sanitize leafname (might be class name with invalid characters)
+            var leafname = Regex.Replace(Path.GetFileName(outFile), @"[<>:""\|\?\*]", "_");
+            outFile = Path.GetDirectoryName(outFile) + Path.DirectorySeparatorChar + leafname;
+
             // Create output file
             bool fileWritten = false;
             do {