diff --git a/html-extract-stupid b/html-extract-stupid
index 725fdaf..e435b34 100755
--- a/html-extract-stupid
+++ b/html-extract-stupid
@@ -42,5 +42,5 @@
 
 	# Combine base and values to get absolute URLs
 	# If multiple base tags are present, they all get respected. This violates the HTML specs.
-	python3 -c 'import os, sys, urllib.parse; base = None'$'\n''try:'$'\n'' for l in map(str.strip, sys.stdin):'$'\n''  tag, value = l.split(" ", 1)'$'\n''  tag = tag.lower()'$'\n''  if base:'$'\n''   value = urllib.parse.urljoin(base, value)'$'\n''  if tag == "base":'$'\n''   base = value'$'\n''   continue'$'\n''  print(f"{tag} {value}")'$'\n''except BrokenPipeError:'$'\n'' os.dup2(os.open(os.devnull, os.O_WRONLY), sys.stdout.fileno()); sys.exit(1)'
+	python3 -c 'import os, sys, urllib.parse; base = None'$'\n''try:'$'\n'' for l in map(str.strip, sys.stdin):'$'\n''  tag, value = l.split(" ", 1)'$'\n''  tag = tag.lower()'$'\n''  if base:'$'\n''   try:'$'\n''    value = urllib.parse.urljoin(base, value)'$'\n''   except ValueError as e:'$'\n''    print(f"Could not merge {base = }, {l = }: {type(e)} {e}", file = sys.stderr)'$'\n''    continue'$'\n''  if tag == "base":'$'\n''   base = value'$'\n''   continue'$'\n''  print(f"{tag} {value}")'$'\n''except BrokenPipeError:'$'\n'' os.dup2(os.open(os.devnull, os.O_WRONLY), sys.stdout.fileno()); sys.exit(1)'
 }