diff --git a/just-responsive-images.php b/just-responsive-images.php
index 1da014f..f7d96a0 100644
--- a/just-responsive-images.php
+++ b/just-responsive-images.php
@@ -4,7 +4,7 @@
 Plugin Name: Just Responsive Images
 Description: Providing full control to set your own responsive image properties for WordPress 4.4+, the ability to use the <picture> tag, auto-generate image backgrounds and supports retina images.
 Tags: responsive post thumbnail, post thumbnail as background, retina support, retina image, retina post thumbnail, responsive post attachment, responsive images, responsive attachments, post thumbnails, media
-Version: 1.6.1
+Version: 1.6.2
 Author: JustCoded / Alex Prokopenko
 Author URI: http://justcoded.com/
 License: GPL3
@@ -49,7 +49,7 @@ class JustResponsiveImages extends core\Singleton {
 	protected function __construct() {
 		// init plugin name and version.
 		self::$plugin_name = __( 'Just Responsive Images', JustResponsiveImages::TEXTDOMAIN );
-		self::$version     = '1.610';
+		self::$version     = '1.620';
 
 		// init features, which this plugin is created for.
 		new components\Maintenance();
diff --git a/models/RwdImage.php b/models/RwdImage.php
index 2abd5bb..bf661c7 100644
--- a/models/RwdImage.php
+++ b/models/RwdImage.php
@@ -472,7 +472,7 @@ public function get_set_sources() {
 					$option->size->h,
 					$option->size->crop
 				);
-				if ( JRI_DUMMY_IMAGE && empty( $meta_data['sizes'][ $option->key ]['file'] ) ) {
+				if ( JRI_DUMMY_IMAGE && empty( $meta_data['sizes'][ $option->key ]['valid'] ) ) {
 					$dummy_sizes[ $option->key ] = $this->dummy_source( $option, false, $attachment->ID, $meta_data );
 				}
 
@@ -489,7 +489,7 @@ public function get_set_sources() {
 							$option->size->crop
 						);
 
-						if ( JRI_DUMMY_IMAGE && empty( $meta_data['sizes'][ $retina_image_size ]['file'] ) ) {
+						if ( JRI_DUMMY_IMAGE && empty( $meta_data['sizes'][ $retina_image_size ]['valid'] ) ) {
 							$dummy_sizes[ $retina_image_size ] = $this->dummy_source( $option, $multiplier, $attachment->ID, $meta_data );
 						}
 					}
@@ -585,12 +585,15 @@ public function resize_image( $attach_id, $meta_data, $key, $width, $height, $cr
 		$upload_dir    = wp_get_upload_dir();
 		$image_baseurl = $upload_dir['basedir'] . DIRECTORY_SEPARATOR . image_get_intermediate_size( $attach_id, $key )['path'];
 
+		$meta_data['sizes'][ $key ]['valid'] = true;
+
 		if ( ! file_exists( $image_baseurl ) || ! isset( $meta_data['sizes'][ $key ]['rwd_width'] )
 			|| $meta_data['sizes'][ $key ]['rwd_width'] !== $width || $meta_data['sizes'][ $key ]['rwd_height'] !== $height
 			|| ( 0 !== strcmp( $crop_str, $meta_data['sizes'][ $key ]['crop'] ) )
 		) {
 			// in dummy mode we do not resize anything.
 			if ( JRI_DUMMY_IMAGE ) {
+				$meta_data['sizes'][ $key ]['valid'] = false;
 				return $meta_data;
 			}
 
diff --git a/readme.txt b/readme.txt
index ddef25e..48ca658 100644
--- a/readme.txt
+++ b/readme.txt
@@ -90,6 +90,8 @@ There are no any special upgrade instructions for version 1.0 - 1.3
 To upgrade remove the old plugin folder. After than follow the installation steps 1-2.
 
 == Changelog ==
+= Version 1.6.2 - 3 July 2018 =
+    * Fix dev mode dummy images with sizes set in DB but missing on file system. 
 = Version 1.6.1 - 28 June 2018 =
     * Added attachment ID text to dev mode dummy images. 
 = Version 1.6.0 - 27 June 2018 =