diff --git a/pkgs/os-specific/bsd/netbsd/default.nix b/pkgs/os-specific/bsd/netbsd/default.nix
index f21e0ce1731d..f32946426ff6 100644
--- a/pkgs/os-specific/bsd/netbsd/default.nix
+++ b/pkgs/os-specific/bsd/netbsd/default.nix
@@ -692,6 +692,8 @@ in lib.makeScopeWithSplicing
     installPhase = null;
     noCC = false;
     dontBuild = false;
+    buildInputs = with self; [ headers ];
+    extraPaths = with self; [ common.src libc.src sys.src ];
   };
 
   libresolv = mkDerivation {