diff --git a/mod.test.ts b/mod.test.ts
index a4b3a2c..578e7aa 100644
--- a/mod.test.ts
+++ b/mod.test.ts
@@ -1905,12 +1905,17 @@ Deno.test("cd", () => {
 });
 
 Deno.test("cat", async () => {
-  await withTempDir(async () => {
+  await withTempDir(async (tempDir) => {
     await Deno.writeTextFile("hello", "hello world");
     assertEquals(
       await $`cat hello`.text(),
       "hello world",
     );
+    assertEquals(
+      // absolute path
+      await $`cat ${tempDir.join("hello")}`.text(),
+      "hello world",
+    );
     await Deno.writeTextFile("hello2", "hello world2");
     assertEquals(
       await $`cat hello hello2`.text(),