diff --git a/docs/src/languages/deno.md b/docs/src/languages/deno.md
index c90450831bf01e43a8f1476ca0d6d0148be3a10d..b2ef5a3565002047819110a253be292b5c592a93 100644
--- a/docs/src/languages/deno.md
+++ b/docs/src/languages/deno.md
@@ -114,7 +114,7 @@ To run deno tasks like tests from the ui, add this to `.zed/tasks.json`
 [
   {
     "label": "deno test",
-    "command": "deno test -A --filter '/^$ZED_CUSTOM_DENO_TEST_NAME$/' $ZED_FILE",
+    "command": "deno test -A --filter '/^$ZED_CUSTOM_DENO_TEST_NAME$/' '$ZED_FILE'",
     "tags": ["js-test"]
   }
 ]