diff --git a/resources/skins.minerva.mainMenu.styles/mainmenu.less b/resources/skins.minerva.mainMenu.styles/mainmenu.less
index 975d411..bab7561 100644
--- a/resources/skins.minerva.mainMenu.styles/mainmenu.less
+++ b/resources/skins.minerva.mainMenu.styles/mainmenu.less
@@ -140,6 +140,7 @@
 
 	.transparent-shield {
 		background: @semiTransparent;
+		z-index: @z-indexAboveContent;
 		opacity: 0.5;
 		.transition( opacity 0.25s ease-in-out );
 	}
diff --git a/skinStyles/mediawiki.action.history.styles.less b/skinStyles/mediawiki.action.history.styles.less
index df8f20c..52db3a8 100644
--- a/skinStyles/mediawiki.action.history.styles.less
+++ b/skinStyles/mediawiki.action.history.styles.less
@@ -128,7 +128,7 @@
 		position: -webkit-sticky;
 		top: 0;
 		background: @skinContentBgColor;
-		z-index: @z-indexOverlay;
+		z-index: @z-indexAboveContent;
 
 		// "Compare selected revisions" button
 		.mw-history-compareselectedversions-button {