diff --git a/pkgs/by-name/na/navidrome/package.nix b/pkgs/by-name/na/navidrome/package.nix
index 0aba55f33e3e..d1b8ce1c8f47 100644
--- a/pkgs/by-name/na/navidrome/package.nix
+++ b/pkgs/by-name/na/navidrome/package.nix
@@ -64,7 +64,9 @@ buildGoModule (finalAttrs: {
     "-X github.com/navidrome/navidrome/consts.gitTag=v${finalAttrs.version}"
   ];
 
-  CGO_CFLAGS = lib.optionals stdenv.cc.isGNU [ "-Wno-return-local-addr" ];
+  env = lib.optionalAttrs stdenv.cc.isGNU {
+    CGO_CFLAGS = toString [ "-Wno-return-local-addr" ];
+  };
 
   postPatch = ''
     patchShebangs ui/bin/update-workbox.sh