diff --git a/Userland/Libraries/LibWeb/Crypto/SubtleCrypto.cpp b/Userland/Libraries/LibWeb/Crypto/SubtleCrypto.cpp
index 3f0c0404d8..01ceea5fa8 100644
--- a/Userland/Libraries/LibWeb/Crypto/SubtleCrypto.cpp
+++ b/Userland/Libraries/LibWeb/Crypto/SubtleCrypto.cpp
@@ -37,7 +37,7 @@ void SubtleCrypto::initialize(JS::Realm& realm)
 }
 
 // https://w3c.github.io/webcrypto/#dfn-normalize-an-algorithm
-JS::ThrowCompletionOr<Bindings::Algorithm> SubtleCrypto::normalize_an_algorithm(Variant<JS::Handle<JS::Object>, String> const& algorithm, String operation)
+JS::ThrowCompletionOr<Bindings::Algorithm> SubtleCrypto::normalize_an_algorithm(AlgorithmIdentifier const& algorithm, String operation)
 {
     auto& realm = this->realm();
 
@@ -110,7 +110,7 @@ JS::ThrowCompletionOr<Bindings::Algorithm> SubtleCrypto::normalize_an_algorithm(
 }
 
 // https://w3c.github.io/webcrypto/#dfn-SubtleCrypto-method-digest
-JS::NonnullGCPtr<JS::Promise> SubtleCrypto::digest(Variant<JS::Handle<JS::Object>, String> const& algorithm, JS::Handle<WebIDL::BufferSource> const& data)
+JS::NonnullGCPtr<JS::Promise> SubtleCrypto::digest(AlgorithmIdentifier const& algorithm, JS::Handle<WebIDL::BufferSource> const& data)
 {
     auto& realm = this->realm();
 
diff --git a/Userland/Libraries/LibWeb/Crypto/SubtleCrypto.h b/Userland/Libraries/LibWeb/Crypto/SubtleCrypto.h
index 386e6d8741..95ef93397b 100644
--- a/Userland/Libraries/LibWeb/Crypto/SubtleCrypto.h
+++ b/Userland/Libraries/LibWeb/Crypto/SubtleCrypto.h
@@ -27,19 +27,20 @@ class SubtleCrypto final : public Bindings::PlatformObject {
     JS_DECLARE_ALLOCATOR(SubtleCrypto);
 
     using SupportedAlgorithmsMap = HashMap<String, HashMap<String, String, AK::ASCIICaseInsensitiveStringTraits>>;
+    using AlgorithmIdentifier = Variant<JS::Handle<JS::Object>, String>;
 
 public:
     [[nodiscard]] static JS::NonnullGCPtr<SubtleCrypto> create(JS::Realm&);
 
     virtual ~SubtleCrypto() override;
 
-    JS::NonnullGCPtr<JS::Promise> digest(Variant<JS::Handle<JS::Object>, String> const& algorithm, JS::Handle<WebIDL::BufferSource> const& data);
+    JS::NonnullGCPtr<JS::Promise> digest(AlgorithmIdentifier const& algorithm, JS::Handle<WebIDL::BufferSource> const& data);
 
 private:
     explicit SubtleCrypto(JS::Realm&);
     virtual void initialize(JS::Realm&) override;
 
-    JS::ThrowCompletionOr<Bindings::Algorithm> normalize_an_algorithm(Variant<JS::Handle<JS::Object>, String> const& algorithm, String operation);
+    JS::ThrowCompletionOr<Bindings::Algorithm> normalize_an_algorithm(AlgorithmIdentifier const& algorithm, String operation);
 
     static SubtleCrypto::SupportedAlgorithmsMap& supported_algorithms_internal();
     static SubtleCrypto::SupportedAlgorithmsMap supported_algorithms();