diff --git a/src/Essensoft.Paylink.Security/OaepSHA1WithRSA.cs b/src/Essensoft.Paylink.Security/OaepSHA1WithRSA.cs
index 15f51bb2c..ce82edb7a 100644
--- a/src/Essensoft.Paylink.Security/OaepSHA1WithRSA.cs
+++ b/src/Essensoft.Paylink.Security/OaepSHA1WithRSA.cs
@@ -20,7 +20,7 @@ public static string Encrypt(string data, string publicKey)
 
             using (var rsa = RSA.Create())
             {
-                rsa.ImportRSAPublicKey(Convert.FromBase64String(publicKey), out var _);
+                rsa.ImportSubjectPublicKeyInfo(Convert.FromBase64String(publicKey), out var _);
                 return Convert.ToBase64String(rsa.Encrypt(Encoding.UTF8.GetBytes(data), RSAEncryptionPadding.OaepSHA1));
             }
         }