diff --git a/pkgs/tools/graphics/vulkan-caps-viewer/default.nix b/pkgs/tools/graphics/vulkan-caps-viewer/default.nix
index 8b206c7b301b..7b6a43b43331 100644
--- a/pkgs/tools/graphics/vulkan-caps-viewer/default.nix
+++ b/pkgs/tools/graphics/vulkan-caps-viewer/default.nix
@@ -45,6 +45,7 @@ stdenv.mkDerivation rec {
   installFlags = [ "INSTALL_ROOT=$(out)" ];
 
   meta = with lib; {
+    mainProgram = "vulkanCapsViewer";
     description = "Vulkan hardware capability viewer";
     longDescription = ''
       Client application to display hardware implementation details for GPUs supporting the Vulkan API by Khronos.