diff --git a/lib/x509/public_key.ex b/lib/x509/public_key.ex
index 3f4156a..e2002de 100644
--- a/lib/x509/public_key.ex
+++ b/lib/x509/public_key.ex
@@ -132,6 +132,8 @@ defmodule X509.PublicKey do
 
       algorithm_identifier(algorithm: oid(:"id-ecPublicKey"), parameters: parameters) ->
         {ec_point(point: public_key), :public_key.der_decode(:EcpkParameters, parameters)}
+
+      _ -> public_key
     end
   end
 
@@ -142,6 +144,8 @@ defmodule X509.PublicKey do
 
       public_key_algorithm(algorithm: oid(:"id-ecPublicKey"), parameters: parameters) ->
         {public_key, parameters}
+        
+      _ -> public_key
     end
   end