diff --git a/.idea/.idea.Aaru/.idea/contentModel.xml b/.idea/.idea.Aaru/.idea/contentModel.xml
index 353ae64cd..dda66b067 100644
--- a/.idea/.idea.Aaru/.idea/contentModel.xml
+++ b/.idea/.idea.Aaru/.idea/contentModel.xml
@@ -74,6 +74,7 @@
           <e p="launchSettings.json" t="Include" />
         </e>
         <e p="Settings.StyleCop" t="Include" />
+        <e p="aaruformat.xml" t="Include" />
         <e p="bin" t="ExcludeRecursive" />
         <e p="obj" t="ExcludeRecursive">
           <e p="Debug" t="Include">
diff --git a/Aaru/Aaru.csproj b/Aaru/Aaru.csproj
index b1209d57f..b23970f99 100644
--- a/Aaru/Aaru.csproj
+++ b/Aaru/Aaru.csproj
@@ -305,6 +305,12 @@
     <Section>net</Section>
     <PackageDescription>Disc image management and creation tool for disks, tapes, optical and solid state media</PackageDescription>
   </PropertyGroup>
+  
+  <ItemGroup>
+    <Content Include="aaruformat.xml" CopyToPublishDirectory="PreserveNewest" LinuxFileMode="0644">
+      <LinuxPath>/usr/share/mime/packages/aaruformat.xml</LinuxPath>
+    </Content>
+  </ItemGroup>
 
   <PropertyGroup Condition="'$(RuntimeIdentifier)' == 'alpine-x64'">
     <PackageName>$(PackagePrefix)-$(PackageVersion)_alpine_x86_64$(DebugPackage)</PackageName>
diff --git a/Aaru/aaruformat.xml b/Aaru/aaruformat.xml
new file mode 100644
index 000000000..1d6df373b
--- /dev/null
+++ b/Aaru/aaruformat.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<mime-info xmlns='http://www.freedesktop.org/standards/shared-mime-info'>
+  <mime-type type="application/vnd.aaruformat">
+    <comment>Aaru Image Format</comment>
+    <glob pattern="*.dicf"/>
+    <glob pattern="*.dicformat"/>
+    <glob pattern="*.aaruf"/>
+    <glob pattern="*.aaruformat"/>
+    <glob pattern="*.aif"/>
+    <alias type="application/x-aaru"/>
+    <alias type="application/aaru"/>
+    <magic>
+      <match type="string" offset="0" value="DICMFRMT"/>
+      <match type="string" offset="0" value="AARUFRMT"/>
+    </magic>
+  </mime-type>
+</mime-info>
diff --git a/build.sh b/build.sh
index 9a45ebc6d..100533bbd 100755
--- a/build.sh
+++ b/build.sh
@@ -55,7 +55,7 @@ fi
 mv pkg/pacman/stable/*.pkg.tar.xz build/
 
 cd build
-for i in *.deb *.rpm *.zip;
+for i in *.deb *.rpm *.zip *.tar.gz;
 do
  gpg --armor --detach-sign "$i"
 done
diff --git a/pkg/pacman/rolling/PKGBUILD b/pkg/pacman/rolling/PKGBUILD
index 9e3a1f79a..1ff5efaab 100644
--- a/pkg/pacman/rolling/PKGBUILD
+++ b/pkg/pacman/rolling/PKGBUILD
@@ -45,6 +45,11 @@ build() {
 }
 
 package() {
+    # Install MIME database file
+    cd "${srcdir}"/Aaru
+    install -d -m0755 -g 0 "${pkgdir}"/usr/share/mime/packages
+    install -m0755 -g 0 -t "${pkgdir}"/usr/share/mime/packages aaruformat.xml
+
     cd "${srcdir}"/"${_aarubase}"/Aaru/bin/Debug/${_netcoretarget}/${dotnet_rid}/publish
 
     # Create destination directory
@@ -75,4 +80,18 @@ package() {
     # Link executable
     install -d -m0755 -g 0 "${pkgdir}"/usr/bin
     ln -sf /opt/Aaru/aaru "${pkgdir}"/usr/bin/aaru
+}
+
+post_install() {
+  xdg-icon-resource forceupdate --theme hicolor &>/dev/null
+  update-mime-database usr/share/mime &>/dev/null
+  update-desktop-database -q
+}
+
+post_upgrade() {
+  post_install "$1"
+}
+
+post_remove() {
+  post_install "$1"
 }
\ No newline at end of file
diff --git a/pkg/pacman/stable/PKGBUILD b/pkg/pacman/stable/PKGBUILD
index 2d9856602..64c648fb4 100644
--- a/pkg/pacman/stable/PKGBUILD
+++ b/pkg/pacman/stable/PKGBUILD
@@ -33,6 +33,11 @@ build() {
 }
 
 package() {
+    # Install MIME database file
+    cd "${srcdir}"/Aaru
+    install -d -m0755 -g 0 "${pkgdir}"/usr/share/mime/packages
+    install -m0755 -g 0 -t "${pkgdir}"/usr/share/mime/packages aaruformat.xml
+
     cd "${srcdir}"/Aaru/bin/Debug/${_netcoretarget}/${dotnet_rid}/publish
 
     # Create destination directory
@@ -63,4 +68,18 @@ package() {
     # Link executable
     install -d -m0755 -g 0 "${pkgdir}"/usr/bin
     ln -sf /opt/Aaru/aaru "${pkgdir}"/usr/bin/aaru
+}
+
+post_install() {
+  xdg-icon-resource forceupdate --theme hicolor &>/dev/null
+  update-mime-database usr/share/mime &>/dev/null
+  update-desktop-database -q
+}
+
+post_upgrade() {
+  post_install "$1"
+}
+
+post_remove() {
+  post_install "$1"
 }
\ No newline at end of file