1 files changed, 1 insertions, 0 deletions
diff --git a/pkgs/applications/networking/mailreaders/sylpheed/default.nix b/pkgs/applications/networking/mailreaders/sylpheed/default.nix
index 90b7dbd28d4c..d45c7f6dd575 100644
--- a/pkgs/applications/networking/mailreaders/sylpheed/default.nix
+++ b/pkgs/applications/networking/mailreaders/sylpheed/default.nix
@@ -44,6 +44,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     homepage = "https://sylpheed.sraoss.jp/en/";
     description = "Lightweight and user-friendly e-mail client";
+    mainProgram = "sylpheed";
     maintainers = with maintainers; [ eelco ];
     platforms = platforms.linux ++ platforms.darwin;
     license = licenses.gpl2;