diff --git a/scripts/make_screenshots.R b/scripts/make_screenshots.R
index 5c607084..c57a182e 100644
--- a/scripts/make_screenshots.R
+++ b/scripts/make_screenshots.R
@@ -52,16 +52,16 @@ if (!dir.exists(output_folder)) {
 
 if (is.null(opt$base_url)) {
   base_url <- cow::get_pages_url(repo_name = opt$repo, git_pat = opt$git_pat)
+  base_url <- gsub("/$", "", base_url)
 }
 
 chapt_df <- ottrpal::get_chapters(base_url = file.path(base_url, "no_toc/"))
 
-
 file_names <- lapply(chapt_df$url, function(url) {
   file_name <- gsub(".html", ".png", file.path(output_folder, basename(url)))
   # Get rid of special characters
-  file_name <- gsub(":|?|!|\\'", "", file_name)
   webshot::webshot(url, file_name)
+  file_name <- gsub(":|?|!|\\'", "", file_name)
   message(paste("Screenshot saved:", file_name))
   return(file_name)
 })