diff --git a/seed/challenges/01-front-end-development-certification/basic-bonfires.json b/seed/challenges/01-front-end-development-certification/basic-bonfires.json
index 5b20e296ecd..47cf69c07c6 100644
--- a/seed/challenges/01-front-end-development-certification/basic-bonfires.json
+++ b/seed/challenges/01-front-end-development-certification/basic-bonfires.json
@@ -585,7 +585,8 @@
"tests": [
"assert.deepEqual(bouncer([7, \"ate\", \"\", false, 9]), [7, \"ate\", 9], 'message: bouncer([7, \"ate\", \"\", false, 9])
should return [7, \"ate\", 9]
.');",
"assert.deepEqual(bouncer([\"a\", \"b\", \"c\"]), [\"a\", \"b\", \"c\"], 'message: bouncer([\"a\", \"b\", \"c\"])
should return [\"a\", \"b\", \"c\"]
.');",
- "assert.deepEqual(bouncer([false, null, 0, NaN, undefined, \"\"]), [], 'message: bouncer([false, null, 0, NaN, undefined, \"\"])
should return []
.');"
+ "assert.deepEqual(bouncer([false, null, 0, NaN, undefined, \"\"]), [], 'message: bouncer([false, null, 0, NaN, undefined, \"\"])
should return []
.');",
+ "assert.deepEqual(bouncer([1, null, NaN, 2, undefined]), [1, 2], 'message: bouncer([1, null, NaN, 2, undefined])
should return [1, 2]
.');"
],
"type": "bonfire",
"MDNlinks": [