diff --git a/pkgs/applications/editors/ht/default.nix b/pkgs/applications/editors/ht/default.nix
index 096b69a5e82a..2f1ea40359d5 100644
--- a/pkgs/applications/editors/ht/default.nix
+++ b/pkgs/applications/editors/ht/default.nix
@@ -17,6 +17,8 @@ stdenv.mkDerivation rec {
 
   patches = [ ./gcc7.patch ];
 
+  NIX_CFLAGS_COMPILE = [ "-Wno-narrowing" ];
+
   meta = with lib; {
     description = "File editor/viewer/analyzer for executables";
     homepage = "http://hte.sourceforge.net";