diff --git a/_test/extra.txt b/_test/extra.txt
index 09c1a5d..0998118 100644
--- a/_test/extra.txt
+++ b/_test/extra.txt
@@ -708,6 +708,11 @@ This line will be displayed.
 55: inline HTML comment
 //- - - - - - - - -//
 a <!-- b --> c
+
+a <!-- b -->
 //- - - - - - - - -//
 <p>a <!-- b --> c</p>
+<p>a <!-- b --></p>
 //= = = = = = = = = = = = = = = = = = = = = = = =//
+
+
diff --git a/parser/raw_html.go b/parser/raw_html.go
index 133c906..55b9a99 100644
--- a/parser/raw_html.go
+++ b/parser/raw_html.go
@@ -86,7 +86,7 @@ func (s *rawHTMLParser) parseComment(block text.Reader, pc Context) ast.Node {
 		}
 		index := bytes.Index(line, closeComment) + offset
 		if index > -1 && hindex == index {
-			if index == 0 || len(line) < 2 || line[index-1] != '-' {
+			if index == 0 || len(line) < 2 || line[index-offset-1] != '-' {
 				node.Segments.Append(segment.WithStop(segment.Start + index + len(closeComment)))
 				block.Advance(index + len(closeComment))
 				return node