diff --git a/src/NzbDrone.Core.Test/MediaFiles/MovieImport/Aggregation/Aggregators/AggregateLanguageFixture.cs b/src/NzbDrone.Core.Test/MediaFiles/MovieImport/Aggregation/Aggregators/AggregateLanguageFixture.cs
index b24ec9359..0ede3e6ca 100644
--- a/src/NzbDrone.Core.Test/MediaFiles/MovieImport/Aggregation/Aggregators/AggregateLanguageFixture.cs
+++ b/src/NzbDrone.Core.Test/MediaFiles/MovieImport/Aggregation/Aggregators/AggregateLanguageFixture.cs
@@ -43,7 +43,7 @@ public void should_return_file_language_when_only_file_info_is_known()
         {
             _localMovie.FileMovieInfo = GetParsedMovieInfo(new List<Language> { Language.English });
 
-            Subject.Aggregate(_localMovie, false).Languages.Should().Contain(_localMovie.FileMovieInfo.Languages);
+            Subject.Aggregate(_localMovie, false).Languages.Should().Equal(_localMovie.FileMovieInfo.Languages);
         }
 
         [Test]
@@ -52,7 +52,9 @@ public void should_return_folder_language_when_folder_info_is_known()
             _localMovie.FolderMovieInfo = GetParsedMovieInfo(new List<Language> { Language.English });
             _localMovie.FileMovieInfo = GetParsedMovieInfo(new List<Language> { Language.English });
 
-            Subject.Aggregate(_localMovie, false).Languages.Should().Contain(_localMovie.FolderMovieInfo.Languages);
+            var aggregation = Subject.Aggregate(_localMovie, false);
+
+            aggregation.Languages.Should().Equal(_localMovie.FolderMovieInfo.Languages);
         }
 
         [Test]
@@ -62,7 +64,7 @@ public void should_return_download_client_item_language_when_download_client_ite
             _localMovie.FolderMovieInfo = GetParsedMovieInfo(new List<Language> { Language.English });
             _localMovie.FileMovieInfo = GetParsedMovieInfo(new List<Language> { Language.English });
 
-            Subject.Aggregate(_localMovie, false).Languages.Should().Contain(_localMovie.DownloadClientMovieInfo.Languages);
+            Subject.Aggregate(_localMovie, false).Languages.Should().Equal(_localMovie.DownloadClientMovieInfo.Languages);
         }
 
         [Test]
@@ -72,7 +74,7 @@ public void should_return_file_language_when_file_language_is_higher_than_others
             _localMovie.FolderMovieInfo = GetParsedMovieInfo(new List<Language> { Language.English });
             _localMovie.FileMovieInfo = GetParsedMovieInfo(new List<Language> { Language.French });
 
-            Subject.Aggregate(_localMovie, false).Languages.Should().Contain(_localMovie.FileMovieInfo.Languages);
+            Subject.Aggregate(_localMovie, false).Languages.Should().Equal(_localMovie.FileMovieInfo.Languages);
         }
 
         [Test]
@@ -82,7 +84,7 @@ public void should_return_multi_language()
             _localMovie.FolderMovieInfo = GetParsedMovieInfo(new List<Language> { Language.English, Language.German });
             _localMovie.FileMovieInfo = GetParsedMovieInfo(new List<Language> { Language.English });
 
-            Subject.Aggregate(_localMovie, false).Languages.Should().Contain(_localMovie.FolderMovieInfo.Languages);
+            Subject.Aggregate(_localMovie, false).Languages.Should().Equal(_localMovie.FolderMovieInfo.Languages);
         }
     }
 }
diff --git a/src/NzbDrone.Core/MediaFiles/MovieImport/Aggregation/Aggregators/AggregateLanguage.cs b/src/NzbDrone.Core/MediaFiles/MovieImport/Aggregation/Aggregators/AggregateLanguage.cs
index e4560f850..9372cb75c 100644
--- a/src/NzbDrone.Core/MediaFiles/MovieImport/Aggregation/Aggregators/AggregateLanguage.cs
+++ b/src/NzbDrone.Core/MediaFiles/MovieImport/Aggregation/Aggregators/AggregateLanguage.cs
@@ -27,12 +27,12 @@ public LocalMovie Aggregate(LocalMovie localMovie, bool otherFiles)
 
             if (!languages.Any(l => l != Language.English))
             {
-                languages.AddRange(localMovie.FolderMovieInfo?.Languages ?? new List<Language>());
+                languages = localMovie.FolderMovieInfo?.Languages ?? new List<Language>();
             }
 
             if (!languages.Any(l => l != Language.English))
             {
-                languages.AddRange(localMovie.FileMovieInfo?.Languages ?? new List<Language>());
+                languages = localMovie.FileMovieInfo?.Languages ?? new List<Language>();
             }
 
             if (!languages.Any())
@@ -42,7 +42,7 @@ public LocalMovie Aggregate(LocalMovie localMovie, bool otherFiles)
 
             _logger.Debug("Using languages: {0}", languages.Select(l => l.Name).ToList().Join(","));
 
-            localMovie.Languages = languages;
+            localMovie.Languages = languages.Distinct().ToList();
 
             return localMovie;
         }