diff --git a/wp-includes/class-wp-image-editor.php b/wp-includes/class-wp-image-editor.php
index 85a4916117..62e1575a1d 100644
--- a/wp-includes/class-wp-image-editor.php
+++ b/wp-includes/class-wp-image-editor.php
@@ -406,8 +406,10 @@ abstract class WP_Image_Editor {
 
 			$fp = fopen( $filename, 'w' );
 
-			if ( ! $fp )
+			if ( ! $fp ) {
+				ob_end_clean();
 				return false;
+			}
 
 			fwrite( $fp, $contents );
 			fclose( $fp );
diff --git a/wp-includes/version.php b/wp-includes/version.php
index eb25c4c050..a795f4386c 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.0-alpha-43716';
+$wp_version = '5.0-alpha-43717';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.