diff --git a/OpenDreamPackageTool/ServerPackaging.cs b/OpenDreamPackageTool/ServerPackaging.cs
index 1d38a0939c..bda62bde52 100644
--- a/OpenDreamPackageTool/ServerPackaging.cs
+++ b/OpenDreamPackageTool/ServerPackaging.cs
@@ -151,7 +151,7 @@ private static void BuildPlatform(PlatformReg platform, Program.ServerOptions op
         CopyContentAssemblies(Path.Combine(releaseDir, "Resources", "Assemblies"));
         if (options.HybridAcz) {
             // Hybrid ACZ expects "Content.Client.zip" (as it's not OpenDream-specific)
-            ZipFile.CreateFromDirectory(Path.Combine(options.OutputDir, "OpenDreamClient"), Path.Combine(releaseDir, "Content.Client.Zip"));
+            ZipFile.CreateFromDirectory(Path.Combine(options.OutputDir, "OpenDreamClient"), Path.Combine(releaseDir, "Content.Client.zip"));
         }
     }