diff --git a/pkgs/tools/security/pinentry-rofi/default.nix b/pkgs/tools/security/pinentry-rofi/default.nix
index a7f92818b8b7..e0fffff7cedf 100644
--- a/pkgs/tools/security/pinentry-rofi/default.nix
+++ b/pkgs/tools/security/pinentry-rofi/default.nix
@@ -37,5 +37,6 @@ stdenv.mkDerivation rec {
     license = licenses.gpl3Plus;
     platforms = platforms.unix;
     maintainers = with maintainers; [ seqizz ];
+    mainProgram = "pinentry-rofi";
   };
 }