diff --git a/pkgs/applications/networking/mailreaders/mailnag/default.nix b/pkgs/applications/networking/mailreaders/mailnag/default.nix
index 4766939a4244..b44d90f1d760 100644
--- a/pkgs/applications/networking/mailreaders/mailnag/default.nix
+++ b/pkgs/applications/networking/mailreaders/mailnag/default.nix
@@ -13,15 +13,13 @@
 , gsettings-desktop-schemas
 , glib
 , gobject-introspection
+# Available plugins (can be overriden)
+, availablePlugins
 # Plugins to install
 , plugins ? [ "goa" ]
 }:
 
 let
-  availablePlugins = {
-    # More are listed here: https://github.com/pulb/mailnag/#desktop-integration
-    goa = callPackage ./goa-plugin.nix { };
-  };
   # Get the list of plugins the user wants
   userPlugins = lib.attrVals plugins availablePlugins;
   # goa plugin requires gio's gnome-online-accounts which requires making sure
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 394b72380d93..81dda13560da 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5206,7 +5206,13 @@ in
 
   mailhog = callPackage ../servers/mail/mailhog {};
 
-  mailnag = callPackage ../applications/networking/mailreaders/mailnag { };
+  mailnag = callPackage ../applications/networking/mailreaders/mailnag {
+    availablePlugins = {
+      # More are listed here: https://github.com/pulb/mailnag/#desktop-integration
+      # Use the attributes here as arguments to `plugins` list
+      goa = callPackage ../applications/networking/mailreaders/mailnag/goa-plugin.nix { };
+    };
+  };
 
   mailsend = callPackage ../tools/networking/mailsend { };