diff --git a/includes/pager/TablePager.php b/includes/pager/TablePager.php
index b57078717f3..0889e198aea 100644
--- a/includes/pager/TablePager.php
+++ b/includes/pager/TablePager.php
@@ -160,9 +160,8 @@ abstract class TablePager extends IndexPager {
 			}
 		}
 
-		$tableClass = $this->getTableClass();
 		$ret = Html::openElement( 'table', [
-			'class' => " $tableClass" ]
+			'class' => $this->getTableClass() ]
 		);
 		$ret .= Html::rawElement( 'thead', [], Html::rawElement( 'tr', [], "\n" . $s . "\n" ) );
 		$ret .= Html::openElement( 'tbody' ) . "\n";
diff --git a/includes/specials/pagers/AllMessagesTablePager.php b/includes/specials/pagers/AllMessagesTablePager.php
index 5e19bfb66c8..2d3e3597e7f 100644
--- a/includes/specials/pagers/AllMessagesTablePager.php
+++ b/includes/specials/pagers/AllMessagesTablePager.php
@@ -246,9 +246,8 @@ class AllMessagesTablePager extends TablePager {
 	}
 
 	protected function getStartBody() {
-		$tableClass = $this->getTableClass();
 		return Xml::openElement( 'table', [
-			'class' => "mw-datatable $tableClass",
+			'class' => $this->getTableClass(),
 			'id' => 'mw-allmessagestable'
 		] ) .
 		"\n" .