diff --git a/challenges/08-coding-interview-questions-and-take-home-assignments/project-euler-problems.json b/challenges/08-coding-interview-questions-and-take-home-assignments/project-euler-problems.json
index 1781d29fc6..82b614a75f 100644
--- a/challenges/08-coding-interview-questions-and-take-home-assignments/project-euler-problems.json
+++ b/challenges/08-coding-interview-questions-and-take-home-assignments/project-euler-problems.json
@@ -1139,21 +1139,24 @@
       "type": "bonfire",
       "title": "Problem 37: Truncatable primes",
       "tests": [
-        "assert.strictEqual(euler37(), 748317, 'message: <code>euler37()</code> should return 748317.');"
+        "assert(truncatablePrimes(8) == 1986, 'message: <code>truncatablePrimes(8)</code> should return 1986.');",
+        "assert(truncatablePrimes(9) == 5123, 'message: <code>truncatablePrimes(9)</code> should return 5123.');",
+        "assert(truncatablePrimes(10) == 8920, 'message: <code>truncatablePrimes(10)</code> should return 8920.');",
+        "assert(truncatablePrimes(11) == 748317, 'message: <code>truncatablePrimes(11)</code> should return 748317.');"
       ],
       "solutions": [],
       "translations": {},
       "challengeSeed": [
-        "function euler37() {",
+        "function truncatablePrimes(n) {",
         "  // Good luck!",
-        "  return true;",
+        "  return n;",
         "}",
         "",
-        "euler37();"
+        "truncatablePrimes(11);"
       ],
       "description": [
         "The number 3797 has an interesting property. Being prime itself, it is possible to continuously remove digits from left to right, and remain prime at each stage: 3797, 797, 97, and 7. Similarly we can work from right to left: 3797, 379, 37, and 3.",
-        "Find the sum of the only eleven primes that are both truncatable from left to right and right to left.",
+        "Find the sum of the only n (8 <= n <= 11) primes that are both truncatable from left to right and right to left.",
         "NOTE: 2, 3, 5, and 7 are not considered to be truncatable primes."
       ]
     },