diff --git a/src/zcl_excel_writer_csv.clas.abap b/src/zcl_excel_writer_csv.clas.abap
index 25ded86..ff796f9 100644
--- a/src/zcl_excel_writer_csv.clas.abap
+++ b/src/zcl_excel_writer_csv.clas.abap
@@ -11,9 +11,9 @@ PUBLIC SECTION.
 
   INTERFACES zif_excel_writer .
 
-  class-methods SET_DELIMITER
-    importing
-      value(IP_VALUE) type C default ';' .
+  CLASS-METHODS set_delimiter
+    IMPORTING
+      VALUE(ip_value) TYPE c DEFAULT ';' .
   class-methods SET_ENCLOSURE
     importing
       value(IP_VALUE) type C default '"' .