diff --git a/md2html.py b/md2html.py
index 8a580bc..f64cee9 100755
--- a/md2html.py
+++ b/md2html.py
@@ -10,4 +10,4 @@ for item in files:
     os.system(f'pandoc -f markdown-smart --data-dir . --template {dir}/template.html -t html -o {item}.html {item}.md --metadata title=\"$(grep -m 1 -oP \'(?<=^# ).*\' {item}.md | cat)\"')
 
 # Replace 'language-' with 'language-' recursively
-os.system("find . \( ! -regex '.*/\..*' \) -type f | xargs sed -i 's/language-/language-/g'")
+os.system("find . \( ! -regex './md2html.py' \) -type f | xargs sed -i 's/sourceCode /language-/g'")