diff --git a/extension/_test/strikethrough.txt b/extension/_test/strikethrough.txt
index e74f58d..5f37627 100644
--- a/extension/_test/strikethrough.txt
+++ b/extension/_test/strikethrough.txt
@@ -5,8 +5,6 @@
 <p><del>Hi</del> Hello, world!</p>
 //= = = = = = = = = = = = = = = = = = = = = = = =//
 
-
-
 2
 //- - - - - - - - -//
 This ~~has a
@@ -17,11 +15,25 @@ new paragraph~~.
 <p>new paragraph~~.</p>
 //= = = = = = = = = = = = = = = = = = = = = = = =//
 
-
-
 3
 //- - - - - - - - -//
 ~Hi~ Hello, world!
 //- - - - - - - - -//
 <p><del>Hi</del> Hello, world!</p>
 //= = = = = = = = = = = = = = = = = = = = = = = =//
+
+4: Three or more tildes do not create a strikethrough
+//- - - - - - - - -//
+This will ~~~not~~~ strike.
+//- - - - - - - - -//
+<p>This will ~~~not~~~ strike.</p>
+//= = = = = = = = = = = = = = = = = = = = = = = =//
+
+5: Leading three or more tildes do not create a strikethrough, create a code block
+//- - - - - - - - -//
+~~~Hi~~~ Hello, world!
+//- - - - - - - - -//
+<pre><code class="language-Hi~~~"></code></pre>
+//= = = = = = = = = = = = = = = = = = = = = = = =//
+
+
diff --git a/extension/strikethrough.go b/extension/strikethrough.go
index fbb099f..9fc0bec 100644
--- a/extension/strikethrough.go
+++ b/extension/strikethrough.go
@@ -47,9 +47,10 @@ func (s *strikethroughParser) Parse(parent gast.Node, block text.Reader, pc pars
 	before := block.PrecendingCharacter()
 	line, segment := block.PeekLine()
 	node := parser.ScanDelimiter(line, before, 1, defaultStrikethroughDelimiterProcessor)
-	if node == nil {
+	if node == nil || node.OriginalLength > 2 || before == '~' {
 		return nil
 	}
+
 	node.Segment = segment.WithStop(segment.Start + node.OriginalLength)
 	block.Advance(node.OriginalLength)
 	pc.PushDelimiter(node)