diff --git a/src/NzbDrone.Core/Datastore/Extensions/BuilderExtensions.cs b/src/NzbDrone.Core/Datastore/Extensions/BuilderExtensions.cs
index 3bff36b7a8..66dd34adc8 100644
--- a/src/NzbDrone.Core/Datastore/Extensions/BuilderExtensions.cs
+++ b/src/NzbDrone.Core/Datastore/Extensions/BuilderExtensions.cs
@@ -64,19 +64,25 @@ public static SqlBuilder OrWhere<TModel>(this SqlBuilder builder, Expression<Fun
         public static SqlBuilder Join<TLeft, TRight>(this SqlBuilder builder, Expression<Func<TLeft, TRight, bool>> filter)
         {
             var wb = GetWhereBuilder(builder.DatabaseType, filter, false, builder.Sequence);
-
             var rightTable = TableMapping.Mapper.TableNameMapping(typeof(TRight));
 
-            return builder.Join($"\"{rightTable}\" ON {wb.ToString()}");
+            return builder.Join($"\"{rightTable}\" ON {wb}");
         }
 
         public static SqlBuilder LeftJoin<TLeft, TRight>(this SqlBuilder builder, Expression<Func<TLeft, TRight, bool>> filter)
         {
             var wb = GetWhereBuilder(builder.DatabaseType, filter, false, builder.Sequence);
+            var rightTable = TableMapping.Mapper.TableNameMapping(typeof(TRight));
+
+            return builder.LeftJoin($"\"{rightTable}\" ON {wb}");
+        }
 
+        public static SqlBuilder InnerJoin<TLeft, TRight>(this SqlBuilder builder, Expression<Func<TLeft, TRight, bool>> filter)
+        {
+            var wb = GetWhereBuilder(builder.DatabaseType, filter, false, builder.Sequence);
             var rightTable = TableMapping.Mapper.TableNameMapping(typeof(TRight));
 
-            return builder.LeftJoin($"\"{rightTable}\" ON {wb.ToString()}");
+            return builder.InnerJoin($"\"{rightTable}\" ON {wb}");
         }
 
         public static SqlBuilder GroupBy<TModel>(this SqlBuilder builder, Expression<Func<TModel, object>> property)
diff --git a/src/NzbDrone.Core/Download/Pending/PendingReleaseRepository.cs b/src/NzbDrone.Core/Download/Pending/PendingReleaseRepository.cs
index 9fb8d86bc6..9c88211d2e 100644
--- a/src/NzbDrone.Core/Download/Pending/PendingReleaseRepository.cs
+++ b/src/NzbDrone.Core/Download/Pending/PendingReleaseRepository.cs
@@ -1,6 +1,7 @@
 using System.Collections.Generic;
 using NzbDrone.Core.Datastore;
 using NzbDrone.Core.Messaging.Events;
+using NzbDrone.Core.Music;
 
 namespace NzbDrone.Core.Download.Pending
 {
@@ -30,7 +31,11 @@ public List<PendingRelease> AllByArtistId(int artistId)
 
         public List<PendingRelease> WithoutFallback()
         {
-            return Query(p => p.Reason != PendingReleaseReason.Fallback);
+            var builder = new SqlBuilder(_database.DatabaseType)
+                .InnerJoin<PendingRelease, Artist>((p, s) => p.ArtistId == s.Id)
+                .Where<PendingRelease>(p => p.Reason != PendingReleaseReason.Fallback);
+
+            return Query(builder);
         }
     }
 }
diff --git a/src/NzbDrone.Core/Download/Pending/PendingReleaseService.cs b/src/NzbDrone.Core/Download/Pending/PendingReleaseService.cs
index f41cae0d41..334a5e2b60 100644
--- a/src/NzbDrone.Core/Download/Pending/PendingReleaseService.cs
+++ b/src/NzbDrone.Core/Download/Pending/PendingReleaseService.cs
@@ -273,10 +273,7 @@ private List<PendingRelease> IncludeRemoteAlbums(List<PendingRelease> releases,
             {
                 foreach (var artist in knownRemoteAlbums.Values.Select(v => v.Artist))
                 {
-                    if (!artistMap.ContainsKey(artist.Id))
-                    {
-                        artistMap[artist.Id] = artist;
-                    }
+                    artistMap.TryAdd(artist.Id, artist);
                 }
             }
 
@@ -292,7 +289,7 @@ private List<PendingRelease> IncludeRemoteAlbums(List<PendingRelease> releases,
                 // Just in case the artist was removed, but wasn't cleaned up yet (housekeeper will clean it up)
                 if (artist == null)
                 {
-                    return null;
+                    continue;
                 }
 
                 release.RemoteAlbum = new RemoteAlbum