diff --git a/pkgs/misc/beep/default.nix b/pkgs/misc/beep/default.nix
index fe04d28aa9de..31fbb82cc357 100644
--- a/pkgs/misc/beep/default.nix
+++ b/pkgs/misc/beep/default.nix
@@ -16,6 +16,9 @@ stdenv.mkDerivation rec {
 
   makeFlags = [ "prefix=${placeholder "out"}"];
 
+  # causes redefinition of _FORTIFY_SOURCE
+  hardeningDisable = [ "fortify3" ];
+
   meta = with lib; {
     description = "The advanced PC speaker beeper";
     homepage = "https://github.com/spkr-beep/beep";