diff --git a/src/fetch.cr b/src/fetch.cr
index 1bd557e..696b113 100644
--- a/src/fetch.cr
+++ b/src/fetch.cr
@@ -64,7 +64,7 @@ module Muse::Dl
       if content_type.is_a? String
         if /html/.match content_type
           puts response
-          response.body_io.each_line do |line|
+          response.body.each_line do |line|
             # https://muse.jhu.edu/chapter/2383438/pdf
             # https://muse.jhu.edu/book/67393
             # Errors are Unable to determine page runs / Unable to construct chapter PDF
@@ -75,7 +75,7 @@ module Muse::Dl
         end
       end
       File.open(tmp_pdf_file, "w") do |file|
-        IO.copy(response.body_io, file)
+        file << response.body
         if file.size == 0
           raise Muse::Dl::Errors::DownloadError.new("Error: downloaded chapter file size is zero. Response Content-Length header was #{headers["Content-Length"]}")
         end
diff --git a/src/muse-dl.cr b/src/muse-dl.cr
index 6723c59..c5fa70e 100644
--- a/src/muse-dl.cr
+++ b/src/muse-dl.cr
@@ -78,19 +78,12 @@ module Muse::Dl
             if delay_secs >= 2
               delay_secs /= 2
             end
-          rescue ex : Muse::Dl::Errors::DownloadError
-            puts ex.message
-            puts ex.backtrace.join("\n    ")
-            puts "Download error. Skipping book: #{url}. Waiting for #{delay_secs} seconds before continuing."
-            # Sleep to prevent hammering the server.
-            sleep(delay_secs)
-            delay_secs *= 2
           rescue ex
             puts ex.message
             puts ex.backtrace.join("\n    ")
-            pp ex
-            puts "Non-download error. Skipping book: #{url}."
-            sleep(1)
+            puts "Error. Skipping book: #{url}. Waiting for #{delay_secs} seconds before continuing."
+            sleep(delay_secs)
+            delay_secs *= 2
           end
         end
       elsif parser.url