diff --git a/R/KorAPConnection.R b/R/KorAPConnection.R
index dd796b8..ef20c8d 100644
--- a/R/KorAPConnection.R
+++ b/R/KorAPConnection.R
@@ -82,7 +82,7 @@
 
 apiTokenServiceName <- "RKorAPClientAPIToken"
 
-setGeneric("persistApiToken", function(kco, apiToken) standardGeneric("persistApiToken") )
+setGeneric("persistApiToken", function(kco, ...) standardGeneric("persistApiToken") )
 
 #' @aliases persistApiToken
 #' @rdname KorAPConnection-class