diff --git a/ts/codediff/SkipRow.tsx b/ts/codediff/SkipRow.tsx
index 009f99d..ac4f9a6 100644
--- a/ts/codediff/SkipRow.tsx
+++ b/ts/codediff/SkipRow.tsx
@@ -52,7 +52,7 @@ export function SkipRow(props: SkipRowProps) {
Show {numRows} more lines
);
- const headerHTML = header ? ${header} : '';
+ const headerHTML = header ? {header} : '';
const rowRef = React.useRef(null);
React.useEffect(() => {