diff --git a/src/vs/base/parts/quickopen/browser/quickopen.css b/src/vs/base/parts/quickopen/browser/quickopen.css
index 99d3ee91329feba29963aa0a8ec0b0216f560326..351433421ca1c400a6b94c2da3620a243b8244f9 100644
--- a/src/vs/base/parts/quickopen/browser/quickopen.css
+++ b/src/vs/base/parts/quickopen/browser/quickopen.css
@@ -39,6 +39,10 @@
 	line-height: 1.8em;
 }
 
+.quick-open-widget .quick-open-tree .monaco-tree-row  > .content > .sub-content {
+	overflow: hidden;
+}
+
 .quick-open-widget.content-changing .quick-open-tree .monaco-scrollable-element .slider {
 	display: none; /* scrollbar slider causes some hectic updates when input changes quickly, so hide it while quick open changes */
 }