diff --git a/src/upload.raku b/src/upload.raku
index ed5ade7..8603a49 100755
--- a/src/upload.raku
+++ b/src/upload.raku
@@ -29,7 +29,7 @@ sub stylize($katla-output) {
 }
 
 # Renders the file at the given location to the temporary directory
-sub render-idris-file($idr) {
+sub render-idris-file($idr, $katla-config) {
     say "Converting $idr";
     # Figure out our file paths
     my $source-file = IO::Path.new($idr, :CWD("src/".IO)).resolve;
@@ -40,9 +40,17 @@ sub render-idris-file($idr) {
     return unless $ttm-file ~~ :e;
     # Generate the html
     # TODO: Stop relying on the config for now and just colorize it in regexs
-    my $katla = run <katla html --config>, "katla/katla.dhall",
+    my $katla = run <katla html --config>, $katla-config,
                 $source-file, $ttm-file, :out;
     my $contents = $katla.out.slurp :close;
+    say $source-file;
+    say $ttm-file;
+    say $katla-config;
+    if $katla.exitcode != 0 {
+       say "Katla Error:";
+       say $contents;
+       exit $katla.exitcode;
+    }
     $contents = stylize $contents;
     # Make sure the directory exists and write the contents to it
     $out-file.dirname.IO.mkdir;
@@ -96,6 +104,8 @@ my method render-index(%index:) {
 sub MAIN(
     $project_dir?,  #= Base directory of project to upload, defaults to %*CWD
     $dest_dir?,     #= Destination directory on the remote
+    $katla-config = #= Configuration file to pass to katla
+    "/home/nathan/Projects/Idris/.scripts/src/katla.dhall",
 ) {
     # cd to the projet directory if needed
     if $project_dir ~~ Str {
@@ -125,7 +135,7 @@ sub MAIN(
     # temporary directory
     my %index = %();
     for @idris-files.hyper :batch(1) -> $idr {
-        my $out = render-idris-file $idr;
+        my $out = render-idris-file $idr, $katla-config.IO;
         %index.&add-path($idr, $out.relative($dir)) when $out ~~ IO;
     }