2 files changed, 2 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/tools/networking/p2p/gtk-gnutella/default.nix b/nixpkgs/pkgs/tools/networking/p2p/gtk-gnutella/default.nix
index a9708dd4713c..53622d30db48 100644
--- a/nixpkgs/pkgs/tools/networking/p2p/gtk-gnutella/default.nix
+++ b/nixpkgs/pkgs/tools/networking/p2p/gtk-gnutella/default.nix
@@ -58,6 +58,7 @@ stdenv.mkDerivation (finalAttrs: {
 
   meta = with lib; {
     description = "A GTK Gnutella client, optimized for speed and scalability";
+    mainProgram = "gtk-gnutella";
     homepage = "https://gtk-gnutella.sourceforge.net/"; # Code: https://github.com/gtk-gnutella/gtk-gnutella
     changelog = "https://raw.githubusercontent.com/gtk-gnutella/gtk-gnutella/v${version}/ChangeLog";
     maintainers = [ maintainers.doronbehar ];
diff --git a/nixpkgs/pkgs/tools/networking/p2p/tahoe-lafs/default.nix b/nixpkgs/pkgs/tools/networking/p2p/tahoe-lafs/default.nix
index 3d2298e8b70e..abeabc337a15 100644
--- a/nixpkgs/pkgs/tools/networking/p2p/tahoe-lafs/default.nix
+++ b/nixpkgs/pkgs/tools/networking/p2p/tahoe-lafs/default.nix
@@ -89,6 +89,7 @@ python3Packages.buildPythonApplication rec {
 
   meta = with lib; {
     description = "Tahoe-LAFS, a decentralized, fault-tolerant, distributed storage system";
+    mainProgram = "tahoe";
     longDescription = ''
       Tahoe-LAFS is a secure, decentralized, fault-tolerant filesystem.
       This filesystem is encrypted and spread over multiple peers in