diff --git a/data/misc/net.zoite.Zoitechat.ThemeManager.desktop.in b/data/misc/net.zoite.Zoitechat.ThemeManager.desktop.in
index 8583e941..99fa0469 100644
--- a/data/misc/net.zoite.Zoitechat.ThemeManager.desktop.in
+++ b/data/misc/net.zoite.Zoitechat.ThemeManager.desktop.in
@@ -5,4 +5,4 @@ Exec=thememan %f
 Icon=zoitechat
 Terminal=false
 Type=Application
-MimeType=application/x-hct;
+MimeType=application/x-hct;application/x-zct;
diff --git a/data/misc/net.zoite.Zoitechat.ThemeManager.xml b/data/misc/net.zoite.Zoitechat.ThemeManager.xml
index 34641834..67ba3887 100644
--- a/data/misc/net.zoite.Zoitechat.ThemeManager.xml
+++ b/data/misc/net.zoite.Zoitechat.ThemeManager.xml
@@ -1,8 +1,13 @@
 <?xml version="1.0"?>
- <mime-info xmlns='http://www.freedesktop.org/standards/shared-mime-info'>
-   <mime-type type="application/x-hct">  
-   <comment>ZoiteChat theme archives</comment>
-   <icon name="zoitechat" />
-   <glob pattern="*.hct" weight="100" />
+<mime-info xmlns='http://www.freedesktop.org/standards/shared-mime-info'>
+  <mime-type type="application/x-hct">
+    <comment>ZoiteChat theme archives</comment>
+    <icon name="zoitechat" />
+    <glob pattern="*.hct" weight="100" />
   </mime-type>
- </mime-info>
+  <mime-type type="application/x-zct">
+    <comment>ZoiteChat theme archives</comment>
+    <icon name="zoitechat" />
+    <glob pattern="*.zct" weight="100" />
+  </mime-type>
+</mime-info>