diff --git a/pkgs/os-specific/linux/fuse/common.nix b/pkgs/os-specific/linux/fuse/common.nix
index be73e16c8083..a2a9608fd35c 100644
--- a/pkgs/os-specific/linux/fuse/common.nix
+++ b/pkgs/os-specific/linux/fuse/common.nix
@@ -83,7 +83,7 @@ stdenv.mkDerivation rec {
   # Ensure that FUSE calls the setuid wrapper, not
   # $out/bin/fusermount. It falls back to calling fusermount in
   # $PATH, so it should also work on non-NixOS systems.
-  NIX_CFLAGS_COMPILE = ''-DFUSERMOUNT_DIR="/run/wrappers/bin"'';
+  env.NIX_CFLAGS_COMPILE = ''-DFUSERMOUNT_DIR="/run/wrappers/bin"'';
 
   preConfigure =
     ''