diff --git a/R/zzz.R b/R/zzz.R
index 3fd88fb..36133e7 100644
--- a/R/zzz.R
+++ b/R/zzz.R
@@ -18,8 +18,8 @@
       # usepackage_latex("xcolor")
     }
   }
-  # auto_format <- getOption("kableExtra.auto_format", default = TRUE)
-  # if (auto_format) auto_set_format()
+  auto_format <- getOption("kableExtra.auto_format", default = TRUE)
+  if (auto_format) auto_set_format()
   if (!is.null(rmarkdown::metadata$output) &&
       rmarkdown::metadata$output %in% c(
         "ioslides_presentation", "slidy_presentation",