diff --git a/src/utils/syntax.go b/src/utils/syntax.go
index c1acddd..65959ec 100644
--- a/src/utils/syntax.go
+++ b/src/utils/syntax.go
@@ -73,7 +73,7 @@ func stripBlockTags(content string) (result string) {
 	return
 }
 
-var codeBlockRegex = regexp.MustCompile(`(?s)<pre.*?lang-(.*?)[\s"'].*?><code>(.*?)<\/code><\/pre>`)
+var codeBlockRegex = regexp.MustCompile(`(?s)<pre(?:.+?lang-(.+?)[\s"'])?.*?><code>(.*?)<\/code><\/pre>`)
 
 // HighlightCodeBlocks uses both highlightSyntaxViaContent stripCodeBlocks and returns the newly highlighted code HTML.
 func HighlightCodeBlocks(html string) string {