diff --git a/FFMpegCore/FFMpeg/Enums/ContainerFormat.cs b/FFMpegCore/FFMpeg/Enums/ContainerFormat.cs
index 37c2bda..90da0d2 100644
--- a/FFMpegCore/FFMpeg/Enums/ContainerFormat.cs
+++ b/FFMpegCore/FFMpeg/Enums/ContainerFormat.cs
@@ -10,6 +10,7 @@ public class ContainerFormat
         public bool DemuxingSupported { get; private set; }
         public bool MuxingSupported { get; private set; }
         public string Description { get; private set; } = null!;
+
         public string Extension
         {
             get
@@ -36,11 +37,11 @@ internal static bool TryParse(string line, out ContainerFormat fmt)
 
             fmt = new ContainerFormat(match.Groups[3].Value)
             {
-                DemuxingSupported = match.Groups[1].Value == " ",
-                MuxingSupported = match.Groups[2].Value == " ",
+                DemuxingSupported = match.Groups[1].Value != " ",
+                MuxingSupported = match.Groups[2].Value != " ",
                 Description = match.Groups[4].Value
             };
             return true;
         }
     }
-}
+}
\ No newline at end of file