diff --git a/AK/Span.h b/AK/Span.h
index b61bf079de6..de72faf0c9a 100644
--- a/AK/Span.h
+++ b/AK/Span.h
@@ -210,10 +210,11 @@ public:
         return size();
     }
 
-    [[nodiscard]] constexpr bool contains_slow(T const& value) const
+    template<typename V>
+    [[nodiscard]] constexpr bool contains_slow(V const& value) const
     {
         for (size_t i = 0; i < size(); ++i) {
-            if (at(i) == value)
+            if (Traits<RemoveReference<T>>::equals(at(i), value))
                 return true;
         }
         return false;
diff --git a/Tests/AK/TestSpan.cpp b/Tests/AK/TestSpan.cpp
index 098b34bd475..cfb14fb86aa 100644
--- a/Tests/AK/TestSpan.cpp
+++ b/Tests/AK/TestSpan.cpp
@@ -138,3 +138,24 @@ TEST_CASE(starts_with)
     ReadonlyBytes hey_bytes_u8 { hey_array, 3 };
     EXPECT(bytes.starts_with(hey_bytes_u8));
 }
+
+TEST_CASE(contains_slow)
+{
+    Vector<String> list { "abc"_string, "def"_string, "ghi"_string };
+    auto span = list.span();
+
+    EXPECT(span.contains_slow("abc"_string));
+    EXPECT(span.contains_slow("abc"sv));
+
+    EXPECT(span.contains_slow("def"_string));
+    EXPECT(span.contains_slow("def"sv));
+
+    EXPECT(span.contains_slow("ghi"_string));
+    EXPECT(span.contains_slow("ghi"sv));
+
+    EXPECT(!span.contains_slow("whf"_string));
+    EXPECT(!span.contains_slow("whf"sv));
+
+    EXPECT(!span.contains_slow(String {}));
+    EXPECT(!span.contains_slow(StringView {}));
+}