diff --git a/pkgs/top-level/build-for-release.nix b/pkgs/top-level/build-for-release.nix
index 1e5117049fca..0ff1c6832624 100644
--- a/pkgs/top-level/build-for-release.nix
+++ b/pkgs/top-level/build-for-release.nix
@@ -105,7 +105,7 @@ let
       mysql
       #mythtv
       nano
-      ncbi-tools
+      ncbi_tools
       netcat
       nix
       nixUnstable