diff --git a/resources/mmv/ui/mmv.ui.reuse.download.js b/resources/mmv/ui/mmv.ui.reuse.download.js
index 981cd2265..8d2731124 100644
--- a/resources/mmv/ui/mmv.ui.reuse.download.js
+++ b/resources/mmv/ui/mmv.ui.reuse.download.js
@@ -33,7 +33,7 @@
 		/** @property {mw.mmv.ui.reuse.Utils} utils - */
 		this.utils = new mw.mmv.ui.reuse.Utils();
 
-		this.$pane.addClass( 'mw-mlb-download-pane' );
+		this.$pane.addClass( 'mw-mmv-download-pane' );
 		this.$pane.appendTo( this.$container );
 
 		this.createDownloadButton( this.$pane );
@@ -72,18 +72,18 @@
 		this.$downloadButton = $( '<a>' )
 			.attr( 'target', '_blank' )
 			.attr( 'download', '' )
-			.addClass( 'mw-ui-button mw-ui-constructive multimediaviewer-download-button' );
+			.addClass( 'mw-ui-button mw-ui-constructive mw-mmv-download-button' );
 
 		this.$selectionArrow = $( '<span>' )
-			.addClass( 'mw-ui-button mw-mlb-download-select-menu' )
+			.addClass( 'mw-ui-button mw-mmv-download-select-menu' )
 			.append(
 				$( '<span>' )
-					.addClass( 'multimediaviewer-download-image-size-name' )
+					.addClass( 'mw-mmv-download-image-size-name' )
 					.html( '&nbsp;' )
 			)
 			.append(
 				$( '<span>' )
-					.addClass( 'multimediaviewer-download-image-size' )
+					.addClass( 'mw-mmv-download-image-size' )
 					.html( '&nbsp;' )
 			);
 
@@ -100,7 +100,7 @@
 	DP.createSizePulldownMenu = function ( $container ) {
 		this.downloadSizeMenu = this.utils.createPulldownMenu(
 			[ 'original', 'small', 'medium', 'large' ],
-			[ 'mw-mlb-download-size' ],
+			[ 'mw-mmv-download-size' ],
 			'original'
 		);
 
@@ -115,7 +115,7 @@
 	DP.createPreviewLink = function ( $container ) {
 		this.$previewLink = $( '<a>' )
 			.attr( 'target', '_blank' )
-			.addClass( 'mw-mlb-download-preview-link' )
+			.addClass( 'mw-mmv-download-preview-link' )
 			.text( mw.message( 'multimediaviewer-download-preview-link-title' ).text() )
 			.appendTo( $container );
 	};
@@ -289,8 +289,8 @@
 
 		// Update button label and size strings to reflect new selected size
 		this.$downloadButton.html(
-			'<span class="multimediaviewer-download-image-size-name">' + sizeClasMessage + '</span>'
-				+ '<span class="multimediaviewer-download-image-size">' + sizeMessage + '</span>'
+			'<span class="mw-mmv-download-image-size-name">' + sizeClasMessage + '</span>'
+				+ '<span class="mw-mmv-download-image-size">' + sizeMessage + '</span>'
 		);
 	};
 
diff --git a/resources/mmv/ui/mmv.ui.reuse.download.less b/resources/mmv/ui/mmv.ui.reuse.download.less
index 5e2e8bccd..6017fd8d5 100644
--- a/resources/mmv/ui/mmv.ui.reuse.download.less
+++ b/resources/mmv/ui/mmv.ui.reuse.download.less
@@ -4,7 +4,7 @@
 @attribution-color-highlighted: #f5f5f5;
 @attribution-logo-size: 40px;
 
-.mw-mlb-download-pane {
+.mw-mmv-download-pane {
 	padding: 0 @pane-padding;
 	position: relative;
 	height: 280px;
@@ -15,13 +15,13 @@
 		cursor: default;
 	}
 
-	.multimediaviewer-download-button {
+	.mw-mmv-download-button {
 		border-top-right-radius: 0;
 		border-bottom-right-radius: 0;
 	}
 
 	/* Selection size arrow element */
-	.mw-mlb-download-select-menu {
+	.mw-mmv-download-select-menu {
 		background-position: center center;
 		background-repeat: no-repeat;
 		background-color: @mw-ui-constructive-button-color;
@@ -35,17 +35,17 @@
 		}
 	}
 
-	.multimediaviewer-download-image-size-name {
+	.mw-mmv-download-image-size-name {
 		display:block;
 	}
 
-	.multimediaviewer-download-image-size {
+	.mw-mmv-download-image-size {
 		display:block;
 		font-size: small;
 		font-weight: normal;
 	}
 
-	.mw-mlb-download-preview-link {
+	.mw-mmv-download-preview-link {
 		display: block;
 		margin-top: 12px;
 		margin-left: -6px;
@@ -67,7 +67,7 @@
 	}
 
 	/* Pulldown size menu */
-	.mw-mlb-download-size {
+	.mw-mmv-download-size {
 		display: none;
 
 		&.active {
diff --git a/tests/qunit/mmv/ui/mmv.ui.reuse.utils.test.js b/tests/qunit/mmv/ui/mmv.ui.reuse.utils.test.js
index 9cee45b3d..45e0c7e89 100644
--- a/tests/qunit/mmv/ui/mmv.ui.reuse.utils.test.js
+++ b/tests/qunit/mmv/ui/mmv.ui.reuse.utils.test.js
@@ -30,7 +30,7 @@
 		def = 'large',
 		menu = utils.createPulldownMenu(
 			menuItems,
-			[ 'mw-mlb-download-size' ],
+			[ 'mw-mmv-download-size' ],
 			def
 		),
 		options = menu.getMenu().getItems(),
@@ -53,7 +53,7 @@
 		var utils = new mw.mmv.ui.reuse.Utils(),
 		menu = utils.createPulldownMenu(
 			[ 'original', 'small', 'medium', 'large' ],
-			[ 'mw-mlb-download-size' ],
+			[ 'mw-mmv-download-size' ],
 			'original'
 		),
 		options = menu.getMenu().getItems(),