diff --git a/tangem-core/src/main/java/com/tangem/common/CardEnvironment.kt b/tangem-core/src/main/java/com/tangem/common/CardEnvironment.kt
index c30efb5d30..c556f427b3 100644
--- a/tangem-core/src/main/java/com/tangem/common/CardEnvironment.kt
+++ b/tangem-core/src/main/java/com/tangem/common/CardEnvironment.kt
@@ -10,8 +10,8 @@ data class CardEnvironment(
         val pin2: String = DEFAULT_PIN2,
         val cardId: String? = null,
         val terminalKeys: KeyPair? = null,
-        val encryptionMode: EncryptionMode = EncryptionMode.NONE,
-        val encryptionKey: ByteArray? = null,
+        var encryptionMode: EncryptionMode = EncryptionMode.NONE,
+        var encryptionKey: ByteArray? = null,
         val cvc: ByteArray? = null
 ) {