diff --git a/pkgs/applications/networking/instant-messengers/psi-plus/default.nix b/pkgs/applications/networking/instant-messengers/psi-plus/default.nix
index 50bbd9269e4..03f8f7b961a 100644
--- a/pkgs/applications/networking/instant-messengers/psi-plus/default.nix
+++ b/pkgs/applications/networking/instant-messengers/psi-plus/default.nix
@@ -33,7 +33,7 @@ mkDerivation rec {
     homepage = "https://psi-plus.com";
     description = "XMPP (Jabber) client";
     maintainers = with maintainers; [ orivej misuzu ];
-    license = licenses.gpl2;
+    license = licenses.gpl2Only;
     platforms = platforms.linux;
   };
 }