diff --git a/CKAN/CKAN/CKAN.csproj b/CKAN/CKAN/CKAN.csproj
index 867c8ca969..c6a7348da9 100644
--- a/CKAN/CKAN/CKAN.csproj
+++ b/CKAN/CKAN/CKAN.csproj
@@ -62,6 +62,7 @@
     <Compile Include="Types\KSPVersion.cs" />
     <Compile Include="Types\JsonSimpleStringConverter.cs" />
     <Compile Include="Repo.cs" />
+    <Compile Include="Meta.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
diff --git a/CKAN/CKAN/Meta.cs b/CKAN/CKAN/Meta.cs
new file mode 100644
index 0000000000..e7d9bfc981
--- /dev/null
+++ b/CKAN/CKAN/Meta.cs
@@ -0,0 +1,27 @@
+namespace CKAN {
+    using System;
+    using System.Reflection;
+
+    public static class Meta {
+        /// <summary>
+        /// Returns the version of the CKAN.dll used.
+        /// </summary>
+
+        public static string Version() {
+
+            var assembly = Assembly.GetExecutingAssembly();
+
+            // SeriouslyLongestClassNamesEverThanksMicrosoft
+            var attr = (AssemblyInformationalVersionAttribute[]) assembly.GetCustomAttributes (typeof(AssemblyInformationalVersionAttribute), false);
+
+            if (attr.Length == 0 || attr [0].InformationalVersion == null) {
+                // Dunno the version. Some dev probably built it. 
+                return "development";
+            } else {
+                return attr[0].InformationalVersion;
+            }
+
+        }
+    }
+}
+
diff --git a/CKAN/CmdLine/Main.cs b/CKAN/CmdLine/Main.cs
index ef5bbb3fc7..1a3f20c7a4 100644
--- a/CKAN/CmdLine/Main.cs
+++ b/CKAN/CmdLine/Main.cs
@@ -131,15 +131,7 @@ static int Gui() {
 
         static int Version() {
 
-            // SeriouslyLongestClassNamesEverThanksMicrosoft
-            var assemblies = (AssemblyInformationalVersionAttribute[]) Assembly.GetAssembly (typeof(MainClass)).GetCustomAttributes (typeof(AssemblyInformationalVersionAttribute), false);
-
-            if (assemblies.Length == 0 || assemblies[0].InformationalVersion == null) {
-                // Dunno the version. Some dev probably built it. 
-                User.WriteLine ("development");
-            } else {
-                User.WriteLine (assemblies[0].InformationalVersion);
-            }
+            User.WriteLine (Meta.Version ());
 
             return EXIT_OK;
         }
diff --git a/CKAN/GUI/Main.cs b/CKAN/GUI/Main.cs
index 4d9f7cbdda..0434178fd5 100644
--- a/CKAN/GUI/Main.cs
+++ b/CKAN/GUI/Main.cs
@@ -67,17 +67,8 @@ private void Main_Load(object sender, EventArgs e)
 
             ApplyToolButton.Enabled = false;
 
-            var assemblies = (AssemblyInformationalVersionAttribute[])Assembly.GetAssembly(typeof(RegistryManager)).GetCustomAttributes(typeof(AssemblyInformationalVersionAttribute), false);
+            Text = "CKAN (" + Meta.Version() + ")";
 
-            if (assemblies.Length == 0 || assemblies[0].InformationalVersion == null)
-            {
-                // Dunno the version. Some dev probably built it. 
-                Text = "CKAN (development)";
-            }
-            else
-            {
-                Text = String.Format("CKAN {0}", assemblies[0].InformationalVersion);
-            }
         }
 
         private static Main m_Instance = null;
diff --git a/bin/build b/bin/build
index c8c7f431a3..6c2ec7241c 100755
--- a/bin/build
+++ b/bin/build
@@ -1153,7 +1153,11 @@ my $BUILD   = "$Bin/../build";
 my $SOURCE  = "$Bin/../CKAN";
 my @CP      = qw(cp -r --reflink=auto --sparse=always);
 my $VERSION = capturex(qw(git describe --long));
-my $ASSEMBLY_INFO = File::Spec->catdir($BUILD,"CKAN/Properties/AssemblyInfo.cs");
+my @ASSEMBLY_INFO = (
+    File::Spec->catdir($BUILD,"CKAN/Properties/AssemblyInfo.cs"),
+    File::Spec->catdir($BUILD,"CmdLine/Properties/AssemblyInfo.cs"),
+    File::Spec->catdir($BUILD,"GUI/Properties/AssemblyInfo.cs"),
+);
 
 # Remove newline
 chomp($VERSION);
@@ -1169,9 +1173,12 @@ remove_tree(File::Spec->catdir($BUILD, "CKAN/bin"));
 remove_tree(File::Spec->catdir($BUILD, "CKAN/obj"));
 
 # Before we build, add our version number in.
-open(my $assembly_fh, ">>", $ASSEMBLY_INFO);
-say {$assembly_fh} qq{[assembly: AssemblyInformationalVersion ("$VERSION")]};
-close($assembly_fh);
+
+foreach my $assembly (@ASSEMBLY_INFO) {
+    open(my $assembly_fh, ">>", $assembly);
+    say {$assembly_fh} qq{[assembly: AssemblyInformationalVersion ("$VERSION")]};
+    close($assembly_fh);
+}
 
 # Change to our build directory
 chdir($BUILD);
diff --git a/bin/build.lean b/bin/build.lean
index 13e9624da7..8843cbddff 100755
--- a/bin/build.lean
+++ b/bin/build.lean
@@ -17,7 +17,11 @@ my $BUILD   = "$Bin/../build";
 my $SOURCE  = "$Bin/../CKAN";
 my @CP      = qw(cp -r --reflink=auto --sparse=always);
 my $VERSION = capturex(qw(git describe --long));
-my $ASSEMBLY_INFO = File::Spec->catdir($BUILD,"CKAN/Properties/AssemblyInfo.cs");
+my @ASSEMBLY_INFO = (
+    File::Spec->catdir($BUILD,"CKAN/Properties/AssemblyInfo.cs"),
+    File::Spec->catdir($BUILD,"CmdLine/Properties/AssemblyInfo.cs"),
+    File::Spec->catdir($BUILD,"GUI/Properties/AssemblyInfo.cs"),
+);
 
 # Remove newline
 chomp($VERSION);
@@ -33,9 +37,12 @@ remove_tree(File::Spec->catdir($BUILD, "CKAN/bin"));
 remove_tree(File::Spec->catdir($BUILD, "CKAN/obj"));
 
 # Before we build, add our version number in.
-open(my $assembly_fh, ">>", $ASSEMBLY_INFO);
-say {$assembly_fh} qq{[assembly: AssemblyInformationalVersion ("$VERSION")]};
-close($assembly_fh);
+
+foreach my $assembly (@ASSEMBLY_INFO) {
+    open(my $assembly_fh, ">>", $assembly);
+    say {$assembly_fh} qq{[assembly: AssemblyInformationalVersion ("$VERSION")]};
+    close($assembly_fh);
+}
 
 # Change to our build directory
 chdir($BUILD);