fix typo
diff --git a/R/collapse_rows.R b/R/collapse_rows.R
index 1efe940..b26ed5f 100644
--- a/R/collapse_rows.R
+++ b/R/collapse_rows.R
@@ -66,7 +66,7 @@
                                           c('identity', 'stack'))
     return(collapse_rows_latex(kable_input, columns, latex_hline, valign,
       row_group_label_position, row_group_label_fonts, custom_latex_hline,
-      headers_to_remove, target, no_col_names))
+      headers_to_remove, target, col_names))
   }
 }