diff --git a/fints4javaLib/src/main/kotlin/net/dankito/fints/messages/segmente/implementierte/sepa/SepaMessageCreator.kt b/fints4javaLib/src/main/kotlin/net/dankito/fints/messages/segmente/implementierte/sepa/SepaMessageCreator.kt
index f121a278..013d0ead 100644
--- a/fints4javaLib/src/main/kotlin/net/dankito/fints/messages/segmente/implementierte/sepa/SepaMessageCreator.kt
+++ b/fints4javaLib/src/main/kotlin/net/dankito/fints/messages/segmente/implementierte/sepa/SepaMessageCreator.kt
@@ -20,7 +20,7 @@ import java.util.regex.Pattern
 open class SepaMessageCreator : ISepaMessageCreator {
 
     companion object {
-        const val AllowedSepaCharacters = "A-Za-z0-9\\?,\\-\\+\\./\\(\\) "
+        const val AllowedSepaCharacters = "A-Za-z0-9\\?,\\-\\+\\.,:/\\(\\)\'\" "
 
         val AllowedSepaCharactersPattern: Pattern = Pattern.compile("^[$AllowedSepaCharacters]*$")