diff --git a/pkgs/os-specific/bsd/netbsd/default.nix b/pkgs/os-specific/bsd/netbsd/default.nix
index 03eb5f84e2f7..51a19f0f2fab 100644
--- a/pkgs/os-specific/bsd/netbsd/default.nix
+++ b/pkgs/os-specific/bsd/netbsd/default.nix
@@ -644,6 +644,7 @@ let
     version = "8.0";
     sha256 = "11vpb3p2343wyrhw4v9gwz7i0lcpb9ysmfs9gsx56b5gkgipdy4v";
     meta.platforms = lib.platforms.netbsd;
+    extraPaths = [ libc.src ];
   };
 
   libm = mkDerivation {