diff --git a/src/vs/workbench/parts/debug/browser/media/debugHover.css b/src/vs/workbench/parts/debug/browser/media/debugHover.css
index 427481b7d35ac3569f8c15c3e0687da149cfff2a..a61dd7d0c91a4382664c5acb1dfea6114bcc920c 100644
--- a/src/vs/workbench/parts/debug/browser/media/debugHover.css
+++ b/src/vs/workbench/parts/debug/browser/media/debugHover.css
@@ -32,7 +32,7 @@
 }
 
 .monaco-editor .debug-hover-widget .debug-hover-tree {
-	line-height: 24px;
+	line-height: 18px;
 	width: 330px;
 	height: 288px;
 }