diff --git a/skins/Vector.php b/skins/Vector.php
index 07cf9644fcf..3d6942429d4 100644
--- a/skins/Vector.php
+++ b/skins/Vector.php
@@ -97,8 +97,10 @@ class VectorTemplate extends BaseTemplate {
 					unset( $nav[$section][$key]['class'] );
 				}
 				if ( isset( $link['tooltiponly'] ) && $link['tooltiponly'] ) {
-					$nav[$section][$key]['key'] =
-						Linker::titleAttrib( $xmlID );
+					$tooltip = Linker::titleAttrib( $xmlID );
+					$tooltip = $tooltip === false ? '' : Xml::expandAttributes( array( 'title' => $tooltip ) );
+					$nav[$section][$key]['key'] = $tooltip;
+						
 				} else {
 					$nav[$section][$key]['key'] =
 						Xml::expandAttributes( Linker::tooltipAndAccesskeyAttribs( $xmlID ) );