diff --git a/flake.nix b/flake.nix
index d619627..2d1b716 100644
--- a/flake.nix
+++ b/flake.nix
@@ -19,7 +19,7 @@
                                 ];
 
                                   shellHook = ''
-                                    export NIX_CC_SUFFIX_SALT=${stdenv.cc.suffixSalt}
+                                    export NIX_CC_SUFFIX_SALT=${pkgs.stdenv.cc.suffixSalt}
                                   '';
                               };
         }