diff --git a/src/NzbDrone.Core.Test/ParserTests/QualityParserFixture.cs b/src/NzbDrone.Core.Test/ParserTests/QualityParserFixture.cs
index 5a1a56a50..62c21b91f 100644
--- a/src/NzbDrone.Core.Test/ParserTests/QualityParserFixture.cs
+++ b/src/NzbDrone.Core.Test/ParserTests/QualityParserFixture.cs
@@ -361,6 +361,7 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("The German 2021 Bluray AVC")]
         [TestCase("German.Only.Movie.2021.French.1080p.BluRay.AVC-UNTAVC")]
         [TestCase("Movie.Title.2008.US.Directors.Cut.UHD.BD66.Blu-ray")]
+        [TestCase("Movie.2009.Blu.ray.AVC.DTS.HD.MA.5.1")]
         public void should_parse_brdisk_1080p_quality(string title)
         {
             ParseAndVerifyQuality(title, Source.BLURAY, false, Resolution.R1080p, Modifier.BRDISK);
diff --git a/src/NzbDrone.Core/Parser/QualityParser.cs b/src/NzbDrone.Core/Parser/QualityParser.cs
index ff073b1f0..da21962b0 100644
--- a/src/NzbDrone.Core/Parser/QualityParser.cs
+++ b/src/NzbDrone.Core/Parser/QualityParser.cs
@@ -15,8 +15,8 @@ namespace NzbDrone.Core.Parser
         private static readonly Logger Logger = NzbDroneLogger.GetLogger(typeof(QualityParser));
 
         private static readonly Regex SourceRegex = new (@"\b(?:
-                                                            (?<bluray>M?BluRay|Blu-Ray|HD.?DVD|BD(?!$)|UHDBD|UHD2BD|BDISO|BDMux|BD25|BD50|BR.?DISK)|
-                                                            (?<webdl>WEB[-_. ]DL(?:mux)?|WEBDL|AmazonHD|AmazonSD|iTunesHD|MaxdomeHD|NetflixU?HD|WebHD|HBOMaxHD|DisneyHD|[. ]WEB[. ](?:[xh][ .]?26[45]|DDP?5[. ]1)|[. ](?-i:WEB)$|(?:\d{3,4}0p)[-. ]WEB[-. ]|[-. ]WEB[-. ]\d{3,4}0p|\b\s\/\sWEB\s\/\s\b|(?:AMZN|NF|DP)[. -]WEB[. -](?!Rip))|
+                                                            (?<bluray>M?Blu[-_. ]?Ray|HD[-_. ]?DVD|BD(?!$)|UHD2?BD|BDISO|BDMux|BD25|BD50|BR[-_. ]?DISK)|
+                                                            (?<webdl>WEB[-_. ]?DL(?:mux)?|AmazonHD|AmazonSD|iTunesHD|MaxdomeHD|NetflixU?HD|WebHD|HBOMaxHD|DisneyHD|[. ]WEB[. ](?:[xh][ .]?26[45]|DDP?5[. ]1)|[. ](?-i:WEB)$|(?:\d{3,4}0p)[-. ]WEB[-. ]|[-. ]WEB[-. ]\d{3,4}0p|\b\s\/\sWEB\s\/\s\b|(?:AMZN|NF|DP)[. -]WEB[. -](?!Rip))|
                                                             (?<webrip>WebRip|Web-Rip|WEBMux)|
                                                             (?<hdtv>HDTV)|
                                                             (?<bdrip>BDRip|BDLight)|