diff --git a/fints4javaLib/src/main/kotlin/net/dankito/fints/model/BankData.kt b/fints4javaLib/src/main/kotlin/net/dankito/fints/model/BankData.kt
index a7975351..67b51f4b 100644
--- a/fints4javaLib/src/main/kotlin/net/dankito/fints/model/BankData.kt
+++ b/fints4javaLib/src/main/kotlin/net/dankito/fints/model/BankData.kt
@@ -1,5 +1,6 @@
 package net.dankito.fints.model
 
+import net.dankito.fints.messages.datenelemente.implementierte.BPDVersion
 import net.dankito.fints.messages.datenelemente.implementierte.Dialogsprache
 
 
@@ -7,7 +8,7 @@ open class BankData(
     val bankCode: String,
     val countryCode: Int,
     var finTs3ServerAddress: String,
-    var bpdVersion: Int = 0,
+    var bpdVersion: Int = BPDVersion.VersionNotReceivedYet,
     var supportedLanguages: List<Dialogsprache> = listOf()
 ) {
 
diff --git a/fints4javaLib/src/main/kotlin/net/dankito/fints/model/CustomerData.kt b/fints4javaLib/src/main/kotlin/net/dankito/fints/model/CustomerData.kt
index 3fc6aa2d..81ae9dd5 100644
--- a/fints4javaLib/src/main/kotlin/net/dankito/fints/model/CustomerData.kt
+++ b/fints4javaLib/src/main/kotlin/net/dankito/fints/model/CustomerData.kt
@@ -9,7 +9,7 @@ open class CustomerData(
     val customerId: String,
     var pin: String,
     val userId: String = customerId,
-    var updVersion: Int = 0,
+    var updVersion: Int = UPDVersion.VersionNotReceivedYet,
     var availableTanProcedures: List<TanProcedure> = listOf(),
     var selectedTanProcedure: TanProcedure? = null,
     var securityMethod: Sicherheitsverfahren = Sicherheitsverfahren.PIN_TAN_Verfahren,