diff --git a/src/vs/workbench/parts/files/browser/media/explorerviewlet.css b/src/vs/workbench/parts/files/browser/media/explorerviewlet.css
index 068ecf077bc73449930d2043c15144ffc1362a16..10a02d09f0d71c521e94fb8f5e40f1d7ce47d7d9 100644
--- a/src/vs/workbench/parts/files/browser/media/explorerviewlet.css
+++ b/src/vs/workbench/parts/files/browser/media/explorerviewlet.css
@@ -21,8 +21,8 @@
 	overflow: hidden;
 }
 
-.explorer-viewlet .explorer-item-label {
-	display: inline-block;
+.explorer-viewlet .explorer-item-label, .explorer-viewlet .explorer-item .monaco-inputbox {
+	display: inline-block; /* required for icons support :before rule */
 }
 
 .explorer-viewlet .explorer-open-editors .monaco-tree .monaco-tree-row > .content {