diff --git a/source/Ox.UI/css/Ox.UI.css b/source/Ox.UI/css/Ox.UI.css
index f7620166..eece2dd1 100644
--- a/source/Ox.UI/css/Ox.UI.css
+++ b/source/Ox.UI/css/Ox.UI.css
@@ -1970,6 +1970,7 @@ SourceViewer
     border-radius: 2px;
     font-family: Menlo, Monaco, DejaVu Sans Mono, Bitstream Vera Sans Mono, Consolas, Lucida Console, monospace;
     font-size: 11px;
+    line-height: 14px;
 }
 .OxSourceViewer td.OxComment > pre {
     line-height: 16px;