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Diffstat (limited to 'pkgs/top-level/emscripten-packages.nix')
-rw-r--r--pkgs/top-level/emscripten-packages.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/top-level/emscripten-packages.nix b/pkgs/top-level/emscripten-packages.nix
index d5f820d0d60..5e64739b865 100644
--- a/pkgs/top-level/emscripten-packages.nix
+++ b/pkgs/top-level/emscripten-packages.nix
@@ -142,7 +142,7 @@ rec {
     (old: {
       nativeBuildInputs = (old.nativeBuildInputs or []) ++ [ pkg-config ];
       # we need to reset this setting!
-      NIX_CFLAGS_COMPILE="";
+      env = (old.env or { }) // { NIX_CFLAGS_COMPILE = ""; };
       dontStrip = true;
       outputs = [ "out" ];
       buildPhase = ''