diff --git a/common/src/main/java/com/linecorp/line/auth/fido/fido2/common/extension/AuthenticationExtensionsClientInputs.java b/common/src/main/java/com/linecorp/line/auth/fido/fido2/common/extension/AuthenticationExtensionsClientInputs.java
index c09b6dc..e5db1c1 100644
--- a/common/src/main/java/com/linecorp/line/auth/fido/fido2/common/extension/AuthenticationExtensionsClientInputs.java
+++ b/common/src/main/java/com/linecorp/line/auth/fido/fido2/common/extension/AuthenticationExtensionsClientInputs.java
@@ -30,7 +30,7 @@
 public class AuthenticationExtensionsClientInputs {
     private String appid;
     private String txAuthSimple;
-    private TxAuthGenericAlg txAuthGeneric;
+    private TxAuthGenericArg txAuthGeneric;
     private List<String> authnSel;
     private List<String> line_authnSel;
     private Boolean exts;
diff --git a/common/src/main/java/com/linecorp/line/auth/fido/fido2/common/extension/TxAuthGenericAlg.java b/common/src/main/java/com/linecorp/line/auth/fido/fido2/common/extension/TxAuthGenericArg.java
similarity index 96%
rename from common/src/main/java/com/linecorp/line/auth/fido/fido2/common/extension/TxAuthGenericAlg.java
rename to common/src/main/java/com/linecorp/line/auth/fido/fido2/common/extension/TxAuthGenericArg.java
index 52e9a36..e8789a5 100644
--- a/common/src/main/java/com/linecorp/line/auth/fido/fido2/common/extension/TxAuthGenericAlg.java
+++ b/common/src/main/java/com/linecorp/line/auth/fido/fido2/common/extension/TxAuthGenericArg.java
@@ -19,7 +19,7 @@
 import lombok.Data;
 
 @Data
-public class TxAuthGenericAlg {
+public class TxAuthGenericArg {
     private String contentType;
     private String content;
 }