diff --git a/src/Components/Inlines/HardBreak.php b/src/Components/Inlines/HardBreak.php
index f2bb819..ddfaa9e 100644
--- a/src/Components/Inlines/HardBreak.php
+++ b/src/Components/Inlines/HardBreak.php
@@ -33,6 +33,12 @@ final class HardBreak implements Inline
      */
     public static function build(Excerpt $Excerpt, State $State)
     {
+        $marker = \substr($Excerpt->text(), 0, 1);
+
+        if ($marker !== "\n") {
+            return null;
+        }
+
         $context = $Excerpt->context();
         $offset = $Excerpt->offset();
 
diff --git a/src/Components/Inlines/SoftBreak.php b/src/Components/Inlines/SoftBreak.php
index 1def586..11d36f2 100644
--- a/src/Components/Inlines/SoftBreak.php
+++ b/src/Components/Inlines/SoftBreak.php
@@ -36,6 +36,12 @@ final class SoftBreak implements Inline
      */
     public static function build(Excerpt $Excerpt, State $State)
     {
+        $marker = \substr($Excerpt->text(), 0, 1);
+
+        if ($marker !== "\n") {
+            return null;
+        }
+
         $context = $Excerpt->context();
         $offset = $Excerpt->offset();