diff --git a/src/wp-admin/includes/class-wp-posts-list-table.php b/src/wp-admin/includes/class-wp-posts-list-table.php
index 8a319986766b8..e32bee75138d3 100644
--- a/src/wp-admin/includes/class-wp-posts-list-table.php
+++ b/src/wp-admin/includes/class-wp-posts-list-table.php
@@ -541,6 +541,7 @@ protected function formats_dropdown( $post_type ) {
 		</label>
 		<select name="post_format" id="filter-by-format">
 			<option<?php selected( $displayed_post_format, '' ); ?> value=""><?php _e( 'All formats' ); ?></option>
+			<option<?php selected( $displayed_post_format, 'standard' ); ?> value="standard"><?php echo esc_html( get_post_format_string( 'standard' ) ); ?></option>
 			<?php
 			foreach ( $used_post_formats as $used_post_format ) {
 				// Post format slug.
diff --git a/src/wp-includes/post-formats.php b/src/wp-includes/post-formats.php
index 9205ecb6e71e2..eeef230583130 100644
--- a/src/wp-includes/post-formats.php
+++ b/src/wp-includes/post-formats.php
@@ -169,7 +169,15 @@ function _post_format_request( $qvs ) {
 	}
 	$slugs = get_post_format_slugs();
 	if ( isset( $slugs[ $qvs['post_format'] ] ) ) {
-		$qvs['post_format'] = 'post-format-' . $slugs[ $qvs['post_format'] ];
+		if ( 'standard' === $qvs['post_format'] ) {
+			unset( $qvs['post_format'] );
+			$qvs['tax_query'][] = array(
+				'taxonomy' => 'post_format',
+				'operator' => 'NOT EXISTS',
+			);
+		} else {
+			$qvs['post_format'] = 'post-format-' . $slugs[ $qvs['post_format'] ];
+		}
 	}
 	$tax = get_taxonomy( 'post_format' );
 	if ( ! is_admin() ) {