diff --git a/src/zcl_excel_writer_csv.clas.abap b/src/zcl_excel_writer_csv.clas.abap
index 2087056..2686b15 100644
--- a/src/zcl_excel_writer_csv.clas.abap
+++ b/src/zcl_excel_writer_csv.clas.abap
@@ -37,7 +37,7 @@ CLASS zcl_excel_writer_csv DEFINITION
     DATA excel TYPE REF TO zcl_excel .
     CLASS-DATA delimiter TYPE c VALUE ';' ##NO_TEXT.
     CLASS-DATA enclosure TYPE c VALUE '"' ##NO_TEXT.
-    CLASS-data:
+    CLASS-DATA:
       EOL type C length 2 value CL_ABAP_CHAR_UTILITIES=>CR_LF ##NO_TEXT.
     class-data WORKSHEET_NAME type ZEXCEL_WORKSHEETS_NAME .
     class-data WORKSHEET_INDEX type ZEXCEL_ACTIVE_WORKSHEET .