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-rw-r--r--pkgs/build-support/docker/nix-prefetch-docker.nix1
1 files changed, 1 insertions, 0 deletions
diff --git a/pkgs/build-support/docker/nix-prefetch-docker.nix b/pkgs/build-support/docker/nix-prefetch-docker.nix
index 61e917461ed9..18accd135c04 100644
--- a/pkgs/build-support/docker/nix-prefetch-docker.nix
+++ b/pkgs/build-support/docker/nix-prefetch-docker.nix
@@ -18,6 +18,7 @@ stdenv.mkDerivation {
 
   meta = with lib; {
     description = "Script used to obtain source hashes for dockerTools.pullImage";
+    mainProgram = "nix-prefetch-docker";
     maintainers = with maintainers; [ offline ];
     platforms = platforms.unix;
   };