diff --git a/src/try/success.ts b/src/try/success.ts
index f109014..e38ef2e 100644
--- a/src/try/success.ts
+++ b/src/try/success.ts
@@ -30,7 +30,7 @@ class Success<A> implements Try<A> {
       return this;
     }
     else {
-      return new Failure<A>(new Error('asdf'));
+      return new Failure<A>(new Error(`Predicate does not hold for ${this.value}`));
     }
   }
 
diff --git a/test/try/success.ts b/test/try/success.ts
index 9b60dc5..6ebd620 100644
--- a/test/try/success.ts
+++ b/test/try/success.ts
@@ -28,7 +28,7 @@ test('Success#filter', (t: TestContext) => {
   );
   t.deepEqual(
     success.filter((v: string) => v === 'world'),
-    new Failure<string>(new Error('asdf'))
+    new Failure<string>(new Error('Predicate does not hold for hello'))
   );
 });