diff --git a/pkgs/tools/misc/toybox/default.nix b/pkgs/tools/misc/toybox/default.nix
index 9e3b1ecc6b5a..0f41f15d9fdb 100644
--- a/pkgs/tools/misc/toybox/default.nix
+++ b/pkgs/tools/misc/toybox/default.nix
@@ -18,7 +18,8 @@ stdenv.mkDerivation rec {
   };
 
   depsBuildBuild = [ buildPackages.stdenv.cc ]; # needed for cross
-  buildInputs = lib.optionals enableStatic [ stdenv.cc.libc stdenv.cc.libc.static ];
+  buildInputs = lib.optionals (enableStatic && stdenv.cc.libc ? static)
+    [ stdenv.cc.libc stdenv.cc.libc.static ];
 
   postPatch = "patchShebangs .";