1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/applications/networking/mailreaders/claws-mail/default.nix b/nixpkgs/pkgs/applications/networking/mailreaders/claws-mail/default.nix
index 51f6eeacd1be..16bc93304921 100644
--- a/nixpkgs/pkgs/applications/networking/mailreaders/claws-mail/default.nix
+++ b/nixpkgs/pkgs/applications/networking/mailreaders/claws-mail/default.nix
@@ -153,6 +153,7 @@ in stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "The user-friendly, lightweight, and fast email client";
+    mainProgram = "claws-mail";
     homepage = "https://www.claws-mail.org/";
     license = licenses.gpl3Plus;
     platforms = platforms.linux;