diff --git a/src/Components/Blocks/Rule.php b/src/Components/Blocks/Rule.php
index e846761..a6a88e3 100644
--- a/src/Components/Blocks/Rule.php
+++ b/src/Components/Blocks/Rule.php
@@ -24,6 +24,10 @@ final class Rule implements Block
         Block $Block = null,
         State $State = null
     ) {
+        if ($Context->line()->indent() > 3) {
+            return null;
+        }
+
         $marker = $Context->line()->text()[0];
 
         if (\substr_count($Context->line()->text(), $marker) >= 3 and \chop($Context->line()->text(), " $marker") === '') {
diff --git a/tests/data/horizontal_rule.html b/tests/data/horizontal_rule.html
index 68da03d..4d3f44f 100644
--- a/tests/data/horizontal_rule.html
+++ b/tests/data/horizontal_rule.html
@@ -2,4 +2,6 @@
 <hr />
 <hr />
 <hr />
-<hr />
\ No newline at end of file
+<hr />
+<p>foo
+***</p>
\ No newline at end of file
diff --git a/tests/data/horizontal_rule.md b/tests/data/horizontal_rule.md
index bf461a9..9a1bb57 100644
--- a/tests/data/horizontal_rule.md
+++ b/tests/data/horizontal_rule.md
@@ -6,4 +6,7 @@
 
 ***
 
-___
\ No newline at end of file
+___
+
+foo
+    ***
\ No newline at end of file