diff --git a/fints4javaLib/src/main/kotlin/net/dankito/fints/transactions/mt940/Mt940Parser.kt b/fints4javaLib/src/main/kotlin/net/dankito/fints/transactions/mt940/Mt940Parser.kt
index 0adcae1c..17392365 100644
--- a/fints4javaLib/src/main/kotlin/net/dankito/fints/transactions/mt940/Mt940Parser.kt
+++ b/fints4javaLib/src/main/kotlin/net/dankito/fints/transactions/mt940/Mt940Parser.kt
@@ -305,8 +305,10 @@ open class Mt940Parser : IMt940Parser {
             }
         }
 
+        val otherPartyNameString = if (otherPartyName.isEmpty()) null else otherPartyName.toString()
+
         val details = TransactionDetails(
-            usage.toString(), otherPartyName.toString(), otherPartyBankCode, otherPartyAccountId,
+            usage.toString(), otherPartyNameString, otherPartyBankCode, otherPartyAccountId,
             bookingText, primaNotaNumber, textKeySupplement
         )
         return details
diff --git a/fints4javaLib/src/main/kotlin/net/dankito/fints/transactions/mt940/model/TransactionDetails.kt b/fints4javaLib/src/main/kotlin/net/dankito/fints/transactions/mt940/model/TransactionDetails.kt
index ab23376d..16040350 100644
--- a/fints4javaLib/src/main/kotlin/net/dankito/fints/transactions/mt940/model/TransactionDetails.kt
+++ b/fints4javaLib/src/main/kotlin/net/dankito/fints/transactions/mt940/model/TransactionDetails.kt
@@ -3,7 +3,7 @@ package net.dankito.fints.transactions.mt940.model
 
 open class TransactionDetails(
     val usage: String,
-    val otherPartyName: String,
+    val otherPartyName: String?,
     val otherPartyBankCode: String?,
     val otherPartyAccountId: String?,
     val bookingText: String?,