diff --git a/assets/gui/css/alas.css b/assets/gui/css/alas.css
index 94e696480..1b1805c54 100644
--- a/assets/gui/css/alas.css
+++ b/assets/gui/css/alas.css
@@ -206,6 +206,10 @@ button.btn.dropdown-toggle {
     height: auto !important;
 }
 
+.CodeMirror-scroll {
+    max-height: 120px;
+}
+
 .CodeMirror-line {
     font-family: SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace !important;
 }