diff --git a/Tranga/MangaConnectors/Manganato.cs b/Tranga/MangaConnectors/Manganato.cs
index ed478b6..c8a9479 100644
--- a/Tranga/MangaConnectors/Manganato.cs
+++ b/Tranga/MangaConnectors/Manganato.cs
@@ -142,7 +142,12 @@ public class Manganato : MangaConnector
             return Array.Empty<Chapter>();
         List<Chapter> chapters = ParseChaptersFromHtml(manga, requestResult.htmlDocument);
         Log($"Got {chapters.Count} chapters. {manga}");
-        return chapters.OrderBy(chapter => Convert.ToSingle(chapter.chapterNumber, numberFormatDecimalPoint)).ToArray();
+        return chapters.OrderBy(chapter =>
+        {
+            if (float.TryParse(chapter.chapterNumber, numberFormatDecimalPoint, out float chapterNumber))
+                return chapterNumber;
+            else return 0;
+        }).ToArray();
     }
 
     private List<Chapter> ParseChaptersFromHtml(Manga manga, HtmlDocument document)
@@ -160,7 +165,7 @@ public class Manganato : MangaConnector
             string fullString = chapterInfo.Descendants("a").First(d => d.HasClass("chapter-name")).InnerText;
 
             string? volumeNumber = volRex.IsMatch(fullString) ? volRex.Match(fullString).Groups[1].Value : null;
-            string chapterNumber = chapterRex.Match(fullString).Groups[1].Value;
+            string chapterNumber = chapterRex.IsMatch(fullString) ? chapterRex.Match(fullString).Groups[1].Value : fullString;
             string chapterName = nameRex.Match(fullString).Groups[3].Value;
             string url = chapterInfo.Descendants("a").First(d => d.HasClass("chapter-name"))
                 .GetAttributeValue("href", "");