diff --git a/client/less/main.less b/client/less/main.less
index ca0dba222c..c0bc9c2c56 100644
--- a/client/less/main.less
+++ b/client/less/main.less
@@ -624,6 +624,10 @@ form.code span {
   height: 100%;
 }
 
+.CodeMirror {
+  line-height: 1 !important;
+}
+
 .CodeMirror-linenumber {
   font-size: 18px;
   font-family: "Ubuntu Mono";