diff --git a/src/wp-includes/media.php b/src/wp-includes/media.php
index 2c818596c7..5d791eb1d0 100644
--- a/src/wp-includes/media.php
+++ b/src/wp-includes/media.php
@@ -5235,15 +5235,12 @@ function wp_get_webp_info( $filename ) {
 		return compact( 'width', 'height', 'type' );
 	}
 
-	$handle = fopen( $filename, 'rb' );
+	$magic = file_get_contents( $filename, false, null, 0, 40 );
 
-	if ( false === $handle ) {
+	if ( false === $magic ) {
 		return compact( 'width', 'height', 'type' );
 	}
 
-	$magic = fread( $handle, 40 );
-	fclose( $handle );
-
 	// Make sure we got enough bytes.
 	if ( strlen( $magic ) < 40 ) {
 		return compact( 'width', 'height', 'type' );