diff --git a/pkgs/top-level/release-small.nix b/pkgs/top-level/release-small.nix
index a267b20d6675..7bf4a234bb65 100644
--- a/pkgs/top-level/release-small.nix
+++ b/pkgs/top-level/release-small.nix
@@ -124,7 +124,7 @@ with import ./release-lib.nix { inherit supportedSystems nixpkgsArgs; };
   smartmontools = all;
   sqlite = unix; # Cygwin builds fail
   squid = linux;
-  ssmtp = linux;
+  msmtp = linux;
   stdenv = all;
   strace = linux;
   su = linux;