diff --git a/webapp/src/Twig/TwigExtension.php b/webapp/src/Twig/TwigExtension.php
index f66a0acff9..2ea4b2388b 100644
--- a/webapp/src/Twig/TwigExtension.php
+++ b/webapp/src/Twig/TwigExtension.php
@@ -849,6 +849,10 @@ public function codeEditor(
         const element = document.getElementById('__EDITOR__');
         const content = element.textContent;
         element.textContent = '';
+        // Adjust editor height to fit window.
+        const height = $(window).height() - 400;
+        element.style.height = height + 'px';
+
         const editor = monaco.editor.create(element, {
             value: content,
             scrollbar: {