diff --git a/public/app/partials/edit_json.html b/public/app/partials/edit_json.html
index f3237193954..91552f95d41 100644
--- a/public/app/partials/edit_json.html
+++ b/public/app/partials/edit_json.html
@@ -11,7 +11,7 @@
 
 	<div class="tabbed-view-body">
 		<div class="gf-form">
-			<code-editor content="json" data-mode="json" data-max-lines=40 ></code-editor>
+			<code-editor content="json" data-mode="json" data-max-lines=20 ></code-editor>
 		</div>
 
 		<div class="gf-form-button-row">