diff --git a/app/src/main/java/eu/kanade/mangafeed/data/database/DatabaseHelper.java b/app/src/main/java/eu/kanade/mangafeed/data/database/DatabaseHelper.java
index 54d4ff1cd0..b05e3c7920 100644
--- a/app/src/main/java/eu/kanade/mangafeed/data/database/DatabaseHelper.java
+++ b/app/src/main/java/eu/kanade/mangafeed/data/database/DatabaseHelper.java
@@ -188,6 +188,10 @@ public class DatabaseHelper {
     }
 
     public PreparedGetListOfObjects<Chapter> getNextChapter(Chapter chapter) {
+        // Add a delta to the chapter number, because binary decimal representation
+        // can retrieve the same chapter again
+        double chapterNumber = chapter.chapter_number + 0.00001;
+
         return db.get()
                 .listOfObjects(Chapter.class)
                 .withQuery(Query.builder()
@@ -195,7 +199,7 @@ public class DatabaseHelper {
                         .where(ChapterTable.COLUMN_MANGA_ID + "=? AND " +
                                 ChapterTable.COLUMN_CHAPTER_NUMBER + ">? AND " +
                                 ChapterTable.COLUMN_CHAPTER_NUMBER + "<=?")
-                        .whereArgs(chapter.manga_id, chapter.chapter_number, chapter.chapter_number + 1)
+                        .whereArgs(chapter.manga_id, chapterNumber, chapterNumber + 1)
                         .orderBy(ChapterTable.COLUMN_CHAPTER_NUMBER)
                         .limit(1)
                         .build())
@@ -203,6 +207,10 @@ public class DatabaseHelper {
     }
 
     public PreparedGetListOfObjects<Chapter> getPreviousChapter(Chapter chapter) {
+        // Add a delta to the chapter number, because binary decimal representation
+        // can retrieve the same chapter again
+        double chapterNumber = chapter.chapter_number - 0.00001;
+
         return db.get()
                 .listOfObjects(Chapter.class)
                 .withQuery(Query.builder()
@@ -210,7 +218,7 @@ public class DatabaseHelper {
                         .where(ChapterTable.COLUMN_MANGA_ID + "=? AND " +
                                 ChapterTable.COLUMN_CHAPTER_NUMBER + "<? AND " +
                                 ChapterTable.COLUMN_CHAPTER_NUMBER + ">=?")
-                        .whereArgs(chapter.manga_id, chapter.chapter_number, chapter.chapter_number - 1)
+                        .whereArgs(chapter.manga_id, chapterNumber, chapterNumber - 1)
                         .orderBy(ChapterTable.COLUMN_CHAPTER_NUMBER + " DESC")
                         .limit(1)
                         .build())
diff --git a/app/src/main/java/eu/kanade/mangafeed/data/source/base/Source.java b/app/src/main/java/eu/kanade/mangafeed/data/source/base/Source.java
index fd139584f0..3e25bcf872 100644
--- a/app/src/main/java/eu/kanade/mangafeed/data/source/base/Source.java
+++ b/app/src/main/java/eu/kanade/mangafeed/data/source/base/Source.java
@@ -159,7 +159,7 @@ public abstract class Source extends BaseSource {
             mCacheManager.putPageUrlsToDiskCache(chapterUrl, pages);
     }
 
-    private List<Page> convertToPages(List<String> pageUrls) {
+    protected List<Page> convertToPages(List<String> pageUrls) {
         List<Page> pages = new ArrayList<>();
         for (int i = 0; i < pageUrls.size(); i++) {
             pages.add(new Page(i, pageUrls.get(i)));
@@ -167,7 +167,7 @@ public abstract class Source extends BaseSource {
         return pages;
     }
 
-    private List<Page> getFirstImageFromPageUrls(List<String> pageUrls, String unparsedHtml) {
+    protected List<Page> getFirstImageFromPageUrls(List<String> pageUrls, String unparsedHtml) {
         List<Page> pages = convertToPages(pageUrls);
         String firstImage = parseHtmlToImageUrl(unparsedHtml);
         pages.get(0).setImageUrl(firstImage);
diff --git a/app/src/main/java/eu/kanade/mangafeed/data/source/online/english/Batoto.java b/app/src/main/java/eu/kanade/mangafeed/data/source/online/english/Batoto.java
index 45e849c18d..55a4cea447 100644
--- a/app/src/main/java/eu/kanade/mangafeed/data/source/online/english/Batoto.java
+++ b/app/src/main/java/eu/kanade/mangafeed/data/source/online/english/Batoto.java
@@ -21,11 +21,12 @@ import java.util.Date;
 import java.util.List;
 import java.util.Locale;
 
-import eu.kanade.mangafeed.data.source.SourceManager;
 import eu.kanade.mangafeed.data.database.models.Chapter;
 import eu.kanade.mangafeed.data.database.models.Manga;
+import eu.kanade.mangafeed.data.source.SourceManager;
 import eu.kanade.mangafeed.data.source.base.Source;
 import eu.kanade.mangafeed.data.source.model.MangasPage;
+import eu.kanade.mangafeed.data.source.model.Page;
 import rx.Observable;
 
 public class Batoto extends Source {
@@ -348,14 +349,43 @@ public class Batoto extends Source {
 
         List<String> pageUrlList = new ArrayList<>();
 
-        Elements pageUrlElements = parsedDocument.getElementById("page_select").getElementsByTag("option");
-        for (Element pageUrlElement : pageUrlElements) {
-            pageUrlList.add(pageUrlElement.attr("value"));
+        Element selectElement = parsedDocument.select("#page_select").first();
+
+        if (selectElement != null) {
+            for (Element pageUrlElement : selectElement.select("option")) {
+                pageUrlList.add(pageUrlElement.attr("value"));
+            }
+        } else {
+            // For webtoons in one page
+            Element page = parsedDocument.select("div > a").first();
+            String url = page.attr("href");
+            url = BASE_URL + "/reader" + url.substring(0, url.length() - 1) + "f";
+
+            for (int i = 0; i < parsedDocument.select("div > img").size(); i++) {
+                pageUrlList.add(url);
+            }
         }
 
         return pageUrlList;
     }
 
+    @Override
+    protected List<Page> getFirstImageFromPageUrls(List<String> pageUrls, String unparsedHtml) {
+        List<Page> pages = convertToPages(pageUrls);
+        if (!unparsedHtml.contains("Want to see this chapter per page instead?")) {
+            String firstImage = parseHtmlToImageUrl(unparsedHtml);
+            pages.get(0).setImageUrl(firstImage);
+        } else {
+            // For webtoons in one page
+            Document parsedDocument = Jsoup.parse(unparsedHtml);
+            Elements imageUrls = parsedDocument.select("div > img");
+            for (int i = 0; i < pages.size(); i++) {
+                pages.get(i).setImageUrl(imageUrls.get(i).attr("src"));
+            }
+        }
+        return pages;
+    }
+
     @Override
     protected String parseHtmlToImageUrl(String unparsedHtml) {
         int beginIndex = unparsedHtml.indexOf("<img id=\"comic_page\"");
diff --git a/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderActivity.java b/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderActivity.java
index acfa8f21e0..9a9c84331d 100644
--- a/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderActivity.java
+++ b/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderActivity.java
@@ -85,7 +85,8 @@ public class ReaderActivity extends BaseRxActivity<ReaderPresenter> {
     @Override
     protected void onDestroy() {
         readerMenu.destroy();
-        viewer.destroy();
+        if (viewer != null)
+            viewer.destroy();
         super.onDestroy();
     }
 
@@ -97,7 +98,8 @@ public class ReaderActivity extends BaseRxActivity<ReaderPresenter> {
 
     @Override
     protected void onPause() {
-        getPresenter().setCurrentPage(viewer.getCurrentPosition());
+        if (viewer != null)
+            getPresenter().setCurrentPage(viewer.getCurrentPosition());
         super.onPause();
     }
 
diff --git a/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderPresenter.java b/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderPresenter.java
index 04de6ee1c8..5cbe422c53 100644
--- a/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderPresenter.java
+++ b/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderPresenter.java
@@ -183,7 +183,9 @@ public class ReaderPresenter extends BasePresenter<ReaderActivity> {
                     int pagesToPreload = Math.min(pages.size(), 5);
                     return Observable.from(pages)
                             .take(pagesToPreload)
-                            .concatMap(source::getImageUrlFromPage)
+                            .concatMap(page -> page.getImageUrl() == null ?
+                                    source.getImageUrlFromPage(page) :
+                                    Observable.just(page))
                             .doOnCompleted(this::stopPreloadingNextChapter);
                 })
                 .subscribeOn(Schedulers.io())