diff --git a/NAPS2.Tools/Project/Packaging/WindowsSigning.cs b/NAPS2.Tools/Project/Packaging/WindowsSigning.cs
index 4349d8c6ed..5181033c16 100644
--- a/NAPS2.Tools/Project/Packaging/WindowsSigning.cs
+++ b/NAPS2.Tools/Project/Packaging/WindowsSigning.cs
@@ -26,6 +26,10 @@ public static void SignContents(PackageInfo packageInfo)
 
     private static bool NeedsSignature(PackageFile file)
     {
+        if (Path.GetExtension(file.FileName) == ".exe")
+        {
+            return true;
+        }
         try
         {
             AssemblyName.GetAssemblyName(file.SourcePath);