diff --git a/src/wp-content/themes/twentyten/header.php b/src/wp-content/themes/twentyten/header.php
index 17dd16c7a5..a15e5b52fc 100644
--- a/src/wp-content/themes/twentyten/header.php
+++ b/src/wp-content/themes/twentyten/header.php
@@ -87,12 +87,13 @@ if ( is_singular() && get_option( 'thread_comments' ) ) {
 				}
 
 				// Check if this is a post or page, if it has a thumbnail, and if it's a big one.
+				$image = false;
 				if ( is_singular() && has_post_thumbnail( $post->ID ) ) {
 					$image = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), array( $header_image_width, $header_image_width ) );
-					if ( $image && $image[1] >= $header_image_width ) {
-						// Houston, we have a new header image!
-						echo get_the_post_thumbnail( $post->ID, 'post-thumbnail' );
-					}
+				}
+				if ( $image && $image[1] >= $header_image_width ) {
+					// Houston, we have a new header image!
+					echo get_the_post_thumbnail( $post->ID, 'post-thumbnail' );
 				} else {
 					// Compatibility with versions of WordPress prior to 3.4.
 					if ( function_exists( 'get_custom_header' ) ) {