diff --git a/src/NzbDrone.Core.Test/ParserTests/QualityParserFixture.cs b/src/NzbDrone.Core.Test/ParserTests/QualityParserFixture.cs
index e98b8133c..3963f4f59 100644
--- a/src/NzbDrone.Core.Test/ParserTests/QualityParserFixture.cs
+++ b/src/NzbDrone.Core.Test/ParserTests/QualityParserFixture.cs
@@ -141,6 +141,7 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("DEXTER.S07E01.ARE.YOU.1080P.HDTV.proper.X264-QCF", true)]
         [TestCase("Dexter - S01E01 - Title [HDTV-1080p]", false)]
         [TestCase("[HorribleSubs] Yowamushi Pedal - 32 [1080p]", false)]
+        [TestCase("Stripes (1981) 1080i HDTV DD5.1 MPEG2-TrollHD", false)]
         public void should_parse_hdtv1080p_quality(string title, bool proper)
         {
             ParseAndVerifyQuality(title, Quality.HDTV1080p, proper);
diff --git a/src/NzbDrone.Core/Parser/QualityParser.cs b/src/NzbDrone.Core/Parser/QualityParser.cs
index be9529422..7f9dda3d6 100644
--- a/src/NzbDrone.Core/Parser/QualityParser.cs
+++ b/src/NzbDrone.Core/Parser/QualityParser.cs
@@ -62,7 +62,7 @@ namespace NzbDrone.Core.Parser
         private static readonly Regex RealRegex = new Regex(@"\b(?<real>REAL)\b",
                                                                 RegexOptions.Compiled);
 
-        private static readonly Regex ResolutionRegex = new Regex(@"\b(?:(?<R480p>480p|640x480|848x480)|(?<R576p>576p)|(?<R720p>720p|1280x720)|(?<R1080p>1080p|1920x1080)|(?<R2160p>2160p|UHD))\b",
+        private static readonly Regex ResolutionRegex = new Regex(@"\b(?:(?<R480p>480(i|p)|640x480|848x480)|(?<R576p>576(i|p))|(?<R720p>720(i|p)|1280x720)|(?<R1080p>1080(i|p)|1920x1080)|(?<R2160p>2160(i|p)|UHD))\b",
                                                                 RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
         private static readonly Regex CodecRegex = new Regex(@"\b(?:(?<x264>x264)|(?<h264>h264)|(?<xvidhd>XvidHD)|(?<xvid>X-?vid)|(?<divx>divx))\b",