diff --git a/src/security/v1/sec-tpm-file.cpp b/src/security/v1/sec-tpm-file.cpp
index adda17f..a4bb654 100644
--- a/src/security/v1/sec-tpm-file.cpp
+++ b/src/security/v1/sec-tpm-file.cpp
@@ -166,10 +166,10 @@
       case KeyType::EC: {
         using namespace CryptoPP;
 
-        const EcdsaKeyParams& ecdsaParams = static_cast<const EcdsaKeyParams&>(params);
+        const EcKeyParams& ecParams = static_cast<const EcKeyParams&>(params);
 
         CryptoPP::OID curveName;
-        switch (ecdsaParams.getKeySize()) {
+        switch (ecParams.getKeySize()) {
         case 256:
           curveName = ASN1::secp256r1();
           break;