diff --git a/src/ui/zcl_abapgit_gui_page_diff.clas.abap b/src/ui/zcl_abapgit_gui_page_diff.clas.abap
index 48a90b562..52ca8cadd 100644
--- a/src/ui/zcl_abapgit_gui_page_diff.clas.abap
+++ b/src/ui/zcl_abapgit_gui_page_diff.clas.abap
@@ -1080,7 +1080,7 @@ CLASS ZCL_ABAPGIT_GUI_PAGE_DIFF IMPLEMENTATION.
       lv_patch_count = lv_patch_count + 1.
     ENDLOOP.
 
-    rv_are_all_lines_patched = xsdbool( lv_patch_count = lines( it_diff ) ).
+    rv_are_all_lines_patched = boolc( lv_patch_count = lines( it_diff ) ).
 
   ENDMETHOD.