diff --git a/apps/fabro-web/app/routes/run-files.render.test.tsx b/apps/fabro-web/app/routes/run-files.render.test.tsx
index 962c9b4e2..3fcb01b89 100644
--- a/apps/fabro-web/app/routes/run-files.render.test.tsx
+++ b/apps/fabro-web/app/routes/run-files.render.test.tsx
@@ -258,6 +258,22 @@ describe("RunFiles rendering", () => {
     expect(multiFileDiffCalls).toHaveLength(1);
   });
 
+  test("shows deleted Markdown files as a diff instead of an empty preview", () => {
+    currentFilesPayload = makePayload(1);
+    currentFilesPayload.data[0] = {
+      change_kind: "deleted",
+      old_file:    { name: "docs/plan.md", contents: "# Plan\n\nReview this\n" },
+      new_file:    { name: "", contents: "" },
+    };
+
+    const renderer = renderRunFiles();
+
+    expect(renderer.root.findAllByProps({ "data-markdown-preview": "true" })).toHaveLength(0);
+    expect(multiFileDiffCalls).toHaveLength(1);
+    expect(multiFileDiffCalls[0].oldFile.contents).toBe("# Plan\n\nReview this\n");
+    expect(multiFileDiffCalls[0].newFile.contents).toBe("");
+  });
+
   test("passes the selected URL scope to useRunFiles", () => {
     currentFilesPayload = makePayload(1);
 
diff --git a/apps/fabro-web/app/routes/run-files.tsx b/apps/fabro-web/app/routes/run-files.tsx
index 5c68d7e5e..c44f72a53 100644
--- a/apps/fabro-web/app/routes/run-files.tsx
+++ b/apps/fabro-web/app/routes/run-files.tsx
@@ -255,6 +255,7 @@ const RunFileRow = memo(function RunFileRow({
   const oldPath = file.old_file.name || display;
   const newPath = file.new_file.name || display;
   const canPreviewMarkdown =
+    file.change_kind !== "deleted" &&
     /\.md$/i.test(newPath) && newContents != null && !placeholder;
   const [showMarkdownPreview, setShowMarkdownPreview] =
     useState(canPreviewMarkdown);