diff --git a/inc/template-tags.php b/inc/template-tags.php
index f02759c5..056291d5 100644
--- a/inc/template-tags.php
+++ b/inc/template-tags.php
@@ -112,37 +112,37 @@ if ( ! function_exists( '_s_entry_footer' ) ) :
 endif;
 
 if ( ! function_exists( '_s_post_thumbnail' ) ) :
-/**
- * Displays an optional post thumbnail.
- *
- * Wraps the post thumbnail in an anchor element on index views, or a div
- * element when on single views.
- */
-function _s_post_thumbnail() {
-	if ( post_password_required() || is_attachment() || ! has_post_thumbnail() ) {
-		return;
-	}
+	/**
+	 * Displays an optional post thumbnail.
+	 *
+	 * Wraps the post thumbnail in an anchor element on index views, or a div
+	 * element when on single views.
+	 */
+	function _s_post_thumbnail() {
+		if ( post_password_required() || is_attachment() || ! has_post_thumbnail() ) {
+			return;
+		}
 
-	if ( is_singular() ) :
-		?>
+		if ( is_singular() ) :
+			?>
 
-		<div class="post-thumbnail">
-			<?php the_post_thumbnail(); ?>
-		</div><!-- .post-thumbnail -->
+			<div class="post-thumbnail">
+				<?php the_post_thumbnail(); ?>
+			</div><!-- .post-thumbnail -->
 
-	<?php else : ?>
+		<?php else : ?>
+
+		<a class="post-thumbnail" href="<?php the_permalink(); ?>" aria-hidden="true">
+			<?php
+			the_post_thumbnail( 'post-thumbnail', array(
+				'alt' => the_title_attribute( array(
+					'echo' => false,
+				) ),
+			) );
+			?>
+		</a>
 
-	<a class="post-thumbnail" href="<?php the_permalink(); ?>" aria-hidden="true">
 		<?php
-		the_post_thumbnail( 'post-thumbnail', array(
-			'alt' => the_title_attribute( array(
-				'echo' => false,
-			) ),
-		) );
-		?>
-	</a>
-
-	<?php
-	endif; // End is_singular().
-}
+		endif; // End is_singular().
+	}
 endif;