diff --git a/src/Handlers/DatabaseHandler.cs b/src/Handlers/DatabaseHandler.cs
index 0843a39..8a86585 100644
--- a/src/Handlers/DatabaseHandler.cs
+++ b/src/Handlers/DatabaseHandler.cs
@@ -95,7 +95,8 @@ public async Task<Manga> GetMangaAsync(string sourceId, string mangaId) {
     }
 
     public async Task<IReadOnlyCollection<Manga>> GetMangasAsync(string sourceId, bool fetchUpdates) {
-        var mangas = fetchUpdates
+        var collections = await (await database.ListCollectionNamesAsync()).ToListAsync();
+        var mangas = fetchUpdates || !collections.Contains(sourceId)
             ? await _sources
                 .First(x => x.Id == sourceId)
                 .GetMangasAsync()
@@ -133,7 +134,7 @@ public async Task<IReadOnlyCollection<Manga>> GetMangasAsync(string sourceId, bo
                     memoryCache.Set($"{sourceId}@{manga.Id}", path.WithCover(manga.Cover));
                 }
 
-                if (fetchUpdates) {
+                if (fetchUpdates || !collections.Contains(sourceId)) {
                     await database
                         .GetCollection<Manga>(manga.SourceId)
                         .ReplaceOneAsync(r => r.Id == manga.Id,
diff --git a/src/Pages/MangaPage.razor b/src/Pages/MangaPage.razor
index ef9bb03..88d1a9f 100644
--- a/src/Pages/MangaPage.razor
+++ b/src/Pages/MangaPage.razor
@@ -71,7 +71,7 @@ else {
 
                             <div class="card-footer">
                                 <div class="d-grid d-md-flex justify-content-md-end">
-                                    <button type="button" class="btn btn-dark w-100" onclick="@AddToLibraryAsync()">
+                                    <button type="button" class="btn btn-dark w-100" onclick="@AddToLibraryAsync">
                                         @(!_manga.IsInLibrary ? "❤️‍🔥 Add to library" : "🪅 Remove from library")
                                     </button>
                                 </div>
diff --git a/src/Pages/SourcePage.razor b/src/Pages/SourcePage.razor
index c9d44bb..ae6b4bc 100644
--- a/src/Pages/SourcePage.razor
+++ b/src/Pages/SourcePage.razor
@@ -24,7 +24,7 @@
                                 <span>@SourceId.GetNameFromId() | <span class="badge bg-dark">Mangas: @_book.ItemCount</span></span>
 
                             </h3>
-                            <button class="btn btn-dark" onclick="@RefreshAsync()">Refresh 👀</button>
+                            <button class="btn btn-dark" onclick="@RefreshAsync">Refresh 👀</button>
                         </div>
                     </div>
                 </div>