diff --git a/pkgs/development/php-packages/composer/default.nix b/pkgs/development/php-packages/composer/default.nix
index 40c6dc80fadf..905de4ccb30a 100644
--- a/pkgs/development/php-packages/composer/default.nix
+++ b/pkgs/development/php-packages/composer/default.nix
@@ -36,6 +36,7 @@ php.buildComposerProject (finalAttrs: {
     description = "Dependency Manager for PHP";
     homepage = "https://getcomposer.org/";
     license = lib.licenses.mit;
+    mainProgram = "composer";
     maintainers = lib.teams.php.members;
   };
 })