diff --git a/nix/home-manager/configuration/graphical-fullblown.nix b/nix/home-manager/configuration/graphical-fullblown.nix
index f66d319..da2e4d3 100644
--- a/nix/home-manager/configuration/graphical-fullblown.nix
+++ b/nix/home-manager/configuration/graphical-fullblown.nix
@@ -107,8 +107,8 @@ in {
 
       # FIXME: depends on insecure openssl 1.1.1t
       # kotatogram-desktop
-      tdesktop
-      signal-desktop
+      pkgsUnstable.tdesktop
+      pkgsUnstable.signal-desktop
 
       thunderbird