diff --git a/Ryujinx.Ava/Program.cs b/Ryujinx.Ava/Program.cs
index 142d7820b..ea39079d6 100644
--- a/Ryujinx.Ava/Program.cs
+++ b/Ryujinx.Ava/Program.cs
@@ -14,8 +14,10 @@ using Ryujinx.Ui.Common;
 using Ryujinx.Ui.Common.Configuration;
 using Ryujinx.Ui.Common.Helper;
 using System;
+using System.Diagnostics;
 using System.IO;
 using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
 using System.Threading.Tasks;
 
 namespace Ryujinx.Ava
@@ -33,10 +35,31 @@ namespace Ryujinx.Ava
 
         private const uint MB_ICONWARNING = 0x30;
 
+        [SupportedOSPlatform("linux")]
+        static void RegisterMimeTypes()
+        {
+            if (!File.Exists(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), ".local", "share", "mime", "packages", "Ryujinx.xml")))
+            {
+                string mimeTypesFile = Path.Combine(ReleaseInformations.GetBaseApplicationDirectory(), "mime", "Ryujinx.xml");
+                using Process mimeProcess = new();
+
+                mimeProcess.StartInfo.FileName = "xdg-mime";
+                mimeProcess.StartInfo.Arguments = $"install --mode user {mimeTypesFile}";
+
+                mimeProcess.Start();
+                mimeProcess.WaitForExit();
+            }
+        }
+
         public static void Main(string[] args)
         {
             Version = ReleaseInformations.GetVersion();
 
+            if (OperatingSystem.IsLinux())
+            {
+                RegisterMimeTypes();
+            }
+
             if (OperatingSystem.IsWindows() && !OperatingSystem.IsWindowsVersionAtLeast(10, 0, 17134))
             {
                 _ = MessageBoxA(IntPtr.Zero, "You are running an outdated version of Windows.\n\nStarting on June 1st 2022, Ryujinx will only support Windows 10 1803 and newer.\n", $"Ryujinx {Version}", MB_ICONWARNING);
@@ -225,4 +248,4 @@ namespace Ryujinx.Ava
             Logger.Shutdown();
         }
     }
-}
+}
\ No newline at end of file
diff --git a/Ryujinx/Program.cs b/Ryujinx/Program.cs
index b1d898317..e174ac63a 100644
--- a/Ryujinx/Program.cs
+++ b/Ryujinx/Program.cs
@@ -19,6 +19,7 @@ using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
 using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
 using System.Threading.Tasks;
 
 namespace Ryujinx
@@ -73,6 +74,22 @@ namespace Ryujinx
             }
         }
 
+        [SupportedOSPlatform("linux")]
+        static void RegisterMimeTypes()
+        {
+            if (!File.Exists(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), ".local", "share", "mime", "packages", "Ryujinx.xml")))
+            {
+                string mimeTypesFile = Path.Combine(ReleaseInformations.GetBaseApplicationDirectory(), "mime", "Ryujinx.xml");
+                using Process mimeProcess = new();
+
+                mimeProcess.StartInfo.FileName = "xdg-mime";
+                mimeProcess.StartInfo.Arguments = $"install --mode user {mimeTypesFile}";
+
+                mimeProcess.Start();
+                mimeProcess.WaitForExit();
+            }
+        }
+
         static void Main(string[] args)
         {
             Version = ReleaseInformations.GetVersion();
@@ -101,6 +118,8 @@ namespace Ryujinx
             // This ends up causing race condition and abort of XCB when a context is created by SPB (even if SPB do call XInitThreads).
             if (OperatingSystem.IsLinux())
             {
+                RegisterMimeTypes();
+
                 XInitThreads();
                 Environment.SetEnvironmentVariable("GDK_BACKEND", "x11");
                 setenv("GDK_BACKEND", "x11", 1);
diff --git a/distribution/linux/ryujinx-mime.xml b/distribution/linux/mime/Ryujinx.xml
similarity index 62%
rename from distribution/linux/ryujinx-mime.xml
rename to distribution/linux/mime/Ryujinx.xml
index 6ec35c848..bd9df0edf 100644
--- a/distribution/linux/ryujinx-mime.xml
+++ b/distribution/linux/mime/Ryujinx.xml
@@ -2,22 +2,32 @@
 <mime-info xmlns="http://www.freedesktop.org/standards/shared-mime-info">
     <mime-type type="application/x-nx-nca">
         <comment>Nintendo Content Archive</comment>
+        <acronym>NCA</acronym>
         <glob pattern="*.nca"/>
+        <magic><match value="NCA" type="string" offset="512"/></magic>
     </mime-type>
     <mime-type type="application/x-nx-nro">
         <comment>Nintendo Relocatable Object</comment>
+        <acronym>NRO</acronym>
         <glob pattern="*.nro"/>
+        <magic><match value="NRO0" type="string" offset="16"/></magic>
     </mime-type>
     <mime-type type="application/x-nx-nso">
         <comment>Nintendo Shared Object</comment>
+        <acronym>NSO</acronym>
         <glob pattern="*.nso"/>
+        <magic><match value="NSO0" type="string" offset="0"/></magic>
     </mime-type>
     <mime-type type="application/x-nx-nsp">
         <comment>Nintendo Submission Package</comment>
+        <acronym>NSP</acronym>
         <glob pattern="*.nsp"/>
+        <magic><match value="PFS0" type="string" offset="0"/></magic>
     </mime-type>
     <mime-type type="application/x-nx-xci">
         <comment>Nintendo Switch Cartridge</comment>
+        <acronym>XCI</acronym>
         <glob pattern="*.xci"/>
+        <magic><match value="HEAD" type="string" offset="4352"/></magic>
     </mime-type>
 </mime-info>