diff --git a/lib/joken/signer.ex b/lib/joken/signer.ex
index 49ebd4c..d5cbcca 100644
--- a/lib/joken/signer.ex
+++ b/lib/joken/signer.ex
@@ -100,6 +100,14 @@ defmodule Joken.Signer do
     )
   end
 
+  def create(alg, %JWK{} = key, headers) when alg in @map_key_algorithms do
+    raw_create(
+      alg,
+      headers |> transform_headers(alg) |> JWS.from_map(),
+      key
+    )
+  end
+
   def create(alg, key, headers) when is_map(key) and alg in @map_key_algorithms do
     raw_create(
       alg,
diff --git a/test/joken_signer_test.exs b/test/joken_signer_test.exs
index 82fc23e..cfa0a70 100644
--- a/test/joken_signer_test.exs
+++ b/test/joken_signer_test.exs
@@ -106,6 +106,20 @@ defmodule Joken.Signer.Test do
            } = signer
   end
 
+  test "can create a signer from a JOSE JWK" do
+    map = Application.get_env(:joken, :rs256)[:key_map]
+    jwk = JOSE.JWK.from_map(map)
+    signer = Signer.create("RS256", jwk)
+
+    assert %Signer{
+             alg: "RS256",
+             jws: %JOSE.JWS{
+               alg: {:jose_jws_alg_rsa_pkcs1_v1_5, :RS256}
+             },
+             jwk: ^jwk
+           } = signer
+  end
+
   test "raise with invalid parameter" do
     assert_raise Error, Error.message(%Error{reason: :algorithm_needs_key}), fn ->
       Signer.create("RS256", "Not a map")