diff --git a/src/preview/PreviewView.cpp b/src/preview/PreviewView.cpp
index 7e824e1f2..41a80bd53 100644
--- a/src/preview/PreviewView.cpp
+++ b/src/preview/PreviewView.cpp
@@ -438,6 +438,8 @@ void PreviewView::submitComment()
 
 		addCommentBox->SetPlaceholder("Add comment");
 		submitCommentButton->Enabled = true;
+
+		commentBoxAutoHeight();
 	}
 }