diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/securitytoken/operations/PsoDecryptTokenOp.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/securitytoken/operations/PsoDecryptTokenOp.java
index 740964447..ea078e686 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/securitytoken/operations/PsoDecryptTokenOp.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/securitytoken/operations/PsoDecryptTokenOp.java
@@ -165,7 +165,7 @@ public class PsoDecryptTokenOp {
         byte[] keyEncryptionKey = response.getData();
 
         int xLen;
-        boolean isCurve25519 = CryptlibObjectIdentifiers.curvey25519.equals(eckf.getCurveOID());
+        boolean isCurve25519 = CryptlibObjectIdentifiers.curvey25519.equals(eckf.asn1ParseOid());
         if (isCurve25519) {
             xLen = keyEncryptionKey.length;
         } else {