diff --git a/web/public/src/data.ts b/web/public/src/data.ts
index 484b7bc..fcc4ed6 100644
--- a/web/public/src/data.ts
+++ b/web/public/src/data.ts
@@ -27,5 +27,5 @@ export type CodeCovEntry = {
 export async function codeCoverageData(): Promise<CodeCovEntry[]> {
     return await fetch("/api/code-coverage")
         .then((v) => v.json())
-        .then((v) => v.codeCoveragea);
+        .then((v) => v.codeCoverage);
 }
diff --git a/web/public/src/index.ts b/web/public/src/index.ts
index 8a6555c..4547f4f 100644
--- a/web/public/src/index.ts
+++ b/web/public/src/index.ts
@@ -2,11 +2,14 @@ import * as data from "./data.ts";
 
 function loadCodeCoverage(
     text: string,
-    data: data.CodeCovEntry[],
+    input: data.CodeCovEntry[],
     container: HTMLPreElement,
     tooltip: HTMLElement,
 ) {
-    const entries = data.toSorted((
+    if (input.length === 0) {
+        return;
+    }
+    const entries = input.toSorted((
         a: data.CodeCovEntry,
         b: data.CodeCovEntry,
     ) => b.index - a.index);