diff --git a/src/main/kotlin/com/restapi/config/Auth.kt b/src/main/kotlin/com/restapi/config/Auth.kt
index 94f145d..a0f5039 100644
--- a/src/main/kotlin/com/restapi/config/Auth.kt
+++ b/src/main/kotlin/com/restapi/config/Auth.kt
@@ -274,13 +274,13 @@ object Auth {
             foundOldAt.refreshExpiresAt = LocalDateTime.now().plusSeconds(atResponse.refreshExpiresIn.toLong())
             foundOldAt.refreshToken = atResponse.refreshToken
             foundOldAt.refreshHistory = (foundOldAt.refreshHistory ?: arrayListOf()).apply {
-                add(RefreshHistory(
-                    oldAt = authUser.token,
-                    oldExpiryAt = expiresAt.format(DateTimeFormatter.ISO_LOCAL_DATE_TIME),
-                    newAt = atResponse.accessToken,
-                    newExpiryAt = LocalDateTime.now().plusSeconds(atResponse.expiresIn.toLong()).format(DateTimeFormatter.ISO_LOCAL_DATE_TIME),
-                    createdAt = LocalDateTime.now().format(DateTimeFormatter.ISO_LOCAL_DATE_TIME),
-                ))
+                add(RefreshHistory().apply {
+                    oldAt = authUser.token
+                    oldExpiryAt = expiresAt.format(DateTimeFormatter.ISO_LOCAL_DATE_TIME)
+                    newAt = atResponse.accessToken
+                    newExpiryAt = LocalDateTime.now().plusSeconds(atResponse.expiresIn.toLong()).format(DateTimeFormatter.ISO_LOCAL_DATE_TIME)
+                    this.createdAt = LocalDateTime.now().format(DateTimeFormatter.ISO_LOCAL_DATE_TIME)
+                })
             }
             database.update(foundOldAt)
 
diff --git a/src/main/kotlin/com/restapi/domain/models.kt b/src/main/kotlin/com/restapi/domain/models.kt
index f4d9af0..661bc05 100644
--- a/src/main/kotlin/com/restapi/domain/models.kt
+++ b/src/main/kotlin/com/restapi/domain/models.kt
@@ -688,13 +688,13 @@ open class Plant : BaseModel() {
     var prefixes: MutableMap<String, String>? = mutableMapOf()
 }
 
-data class RefreshHistory(
-    val oldAt: String,
-    val oldExpiryAt: String,
-    val newAt: String,
-    val newExpiryAt: String,
-    val createdAt: String
-)
+ class RefreshHistory {
+     var oldAt: String = ""
+     var oldExpiryAt: String = ""
+     var newAt: String = ""
+     var newExpiryAt: String = ""
+     var createdAt: String = ""
+ }
 @Entity
 open class AuthTokenCache : BaseModel() {
     @Column(columnDefinition = "text")