diff --git a/CHANGELOG b/CHANGELOG
index 400f2d2..3cc4caf 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -12,6 +12,7 @@ Dates should be in`YYYY-MM-DD` format and versions are in [semantic versioning](
 ### Fixed
 
 - Fixed rendering of numbered lists.
+- Autogrow markup box height.
 
 ## 0.5.1
 
diff --git a/src/lib/MarkupView.svelte b/src/lib/MarkupView.svelte
index 4fa51e4..90dd8bc 100644
--- a/src/lib/MarkupView.svelte
+++ b/src/lib/MarkupView.svelte
@@ -26,7 +26,7 @@
 
 	const errors = getErrors();
 
-	$: scrollHeight = input?.scrollHeight ?? height;
+	$: scrollHeight = revisedText ? input?.scrollHeight ?? height : height;
 
 	// Not an edit function, just a text field? Update the text immediately.
 	$: if (edit === undefined) markup = revisedText;