diff --git a/README.md b/README.md
index 5883b54..709d745 100644
--- a/README.md
+++ b/README.md
@@ -52,7 +52,7 @@ The official docker images are available on [Dockerhub](https://hub.docker.com/r
 ### CLI
 
 ```
-  Mango - Manga Server and Web Reader. Version 0.15.0
+  Mango - Manga Server and Web Reader. Version 0.15.1
 
   Usage:
 
diff --git a/public/js/reader.js b/public/js/reader.js
index ac5b92a..b51c4af 100644
--- a/public/js/reader.js
+++ b/public/js/reader.js
@@ -5,12 +5,6 @@ let longPages = false;
 $(() => {
 	getPages();
 
-	const storedMode = localStorage.getItem('mode') || 'continuous';
-
-	setProp('mode', storedMode);
-	updateMode(storedMode, page);
-	$('#mode-select').val(storedMode);
-
 	$('#page-select').change(() => {
 		const p = parseInt($('#page-select').val());
 		toPage(p);
@@ -117,6 +111,12 @@ const getPages = () => {
 
 			setProp('items', items);
 			setProp('loading', false);
+
+			const storedMode = localStorage.getItem('mode') || 'continuous';
+
+			setProp('mode', storedMode);
+			updateMode(storedMode, page);
+			$('#mode-select').val(storedMode);
 		})
 		.catch(e => {
 			const errMsg = `Failed to get the page dimensions. ${e}`;
diff --git a/shard.yml b/shard.yml
index d187ca4..e82a069 100644
--- a/shard.yml
+++ b/shard.yml
@@ -1,5 +1,5 @@
 name: mango
-version: 0.15.0
+version: 0.15.1
 
 authors:
   - Alex Ling <hkalexling@gmail.com>
diff --git a/src/library/entry.cr b/src/library/entry.cr
index b96681e..796d983 100644
--- a/src/library/entry.cr
+++ b/src/library/entry.cr
@@ -220,6 +220,11 @@ class Entry
         thumbnail = ImageSize.resize img.data, height: 300
       end
       img.data = thumbnail
+      img.size = thumbnail.size
+      unless img.mime == "image/webp"
+        # image_size.cr resizes non-webp images to jpg
+        img.mime = "image/jpeg"
+      end
       Storage.default.save_thumbnail @id, img
     rescue e
       Logger.warn "Failed to generate thumbnail for entry " \
diff --git a/src/mango.cr b/src/mango.cr
index 16a334e..ae1edd4 100644
--- a/src/mango.cr
+++ b/src/mango.cr
@@ -7,7 +7,7 @@ require "option_parser"
 require "clim"
 require "./plugin/*"
 
-MANGO_VERSION = "0.15.0"
+MANGO_VERSION = "0.15.1"
 
 # From http://www.network-science.de/ascii/
 BANNER = %{