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Diffstat (limited to 'nixpkgs/pkgs/tools/networking/iftop/default.nix')
-rw-r--r--nixpkgs/pkgs/tools/networking/iftop/default.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/tools/networking/iftop/default.nix b/nixpkgs/pkgs/tools/networking/iftop/default.nix
index 137ce03b2520..100164ff3db7 100644
--- a/nixpkgs/pkgs/tools/networking/iftop/default.nix
+++ b/nixpkgs/pkgs/tools/networking/iftop/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   # gcc-10. Otherwise build fails as:
   #   ld: tui.o:/build/iftop-1.0pre4/ui_common.h:41: multiple definition of `service_hash';
   #     iftop.o:/build/iftop-1.0pre4/ui_common.h:41: first defined here
-  NIX_CFLAGS_COMPILE = "-fcommon";
+  env.NIX_CFLAGS_COMPILE = "-fcommon";
 
   passthru.tests = { inherit (nixosTests) iftop; };