diff --git a/display-posts-shortcode-remote.php b/display-posts-shortcode-remote.php
index 727926b..acf2327 100644
--- a/display-posts-shortcode-remote.php
+++ b/display-posts-shortcode-remote.php
@@ -467,21 +467,25 @@ if ( ! class_exists( 'Display_Posts_Remote' ) ) {
 
 				$imageAttributes = $self->getImageAttributes( $atts );
 
-				if ( $atts['image_size'] && $post->has_post_thumbnail() && $atts['include_link'] ) {
+				if( $atts['image_size'] && false !== filter_var( $atts['image_size'], FILTER_VALIDATE_BOOLEAN ) ) {
 
-					$image = '<a class="image" href="' . esc_url( $post->get_permalink() ) . '">' . $post->get_the_post_thumbnail( $atts['image_size'], $imageAttributes ) . '</a> ';
+					if ( $post->has_post_thumbnail() && $atts['include_link'] ) {
 
-				} elseif ( $atts['image_size'] && $post->has_post_thumbnail() ) {
+						$image = '<a class="image" href="' . esc_url( $post->get_permalink() ) . '">' . $post->get_the_post_thumbnail( $atts['image_size'], $imageAttributes ) . '</a> ';
 
-					$image = '<span class="image">' . $post->get_the_post_thumbnail( $atts['image_size'], $imageAttributes ) . '</span> ';
+					} elseif ( $post->has_post_thumbnail() ) {
 
-				} elseif ( $post->has_featured_media() && $atts['include_link'] ) {
+						$image = '<span class="image">' . $post->get_the_post_thumbnail( $atts['image_size'], $imageAttributes ) . '</span> ';
 
-					$image = '<a class="image" href="' . esc_url( $post->get_permalink() ) . '">' . $post->get_the_post_thumbnail( 'full', $imageAttributes ) . '</a> ';
+					} elseif ( $post->has_featured_media() && $atts['include_link'] ) {
 
-				} elseif ( $post->has_featured_media() ) {
+						$image = '<a class="image" href="' . esc_url( $post->get_permalink() ) . '">' . $post->get_the_post_thumbnail( 'full', $imageAttributes ) . '</a> ';
 
-					$image = '<span class="image">' . $post->get_the_post_thumbnail( 'full', $imageAttributes ) . '</span> ';
+					} elseif ( $post->has_featured_media() ) {
+
+						$image = '<span class="image">' . $post->get_the_post_thumbnail( 'full', $imageAttributes ) . '</span> ';
+
+					}
 
 				}