diff --git a/Sources/Nimble/Matchers/Equal.swift b/Sources/Nimble/Matchers/Equal.swift
index 6373d8ccc..6c90c6923 100644
--- a/Sources/Nimble/Matchers/Equal.swift
+++ b/Sources/Nimble/Matchers/Equal.swift
@@ -86,7 +86,7 @@ public func equal<T: Equatable>(expectedValue: [T?]) -> NonNilMatcherFunc<[T?]>
 
 /// A Nimble matcher that succeeds when the actual set is equal to the expected set.
 public func equal<T>(expectedValue: Set<T>?) -> NonNilMatcherFunc<Set<T>> {
-    return equal(expectedValue, stringify: stringify)
+    return equal(expectedValue, stringify: { stringify($0) })
 }
 
 /// A Nimble matcher that succeeds when the actual set is equal to the expected set.