diff --git a/recipes/rust/rust.inc b/recipes/rust/rust.inc
index 3a3a4e4..5ab763d 100644
--- a/recipes/rust/rust.inc
+++ b/recipes/rust/rust.inc
@@ -160,6 +160,7 @@ def rust_gen_target(d, thing, wd):
          "data-layout": "{}",
          "llvm-target": "{}",
          "target-endian": "{}",
+         "target-word-size": "{}",
          "target-pointer-width": "{}",
          "arch": "{}",
          "os": "linux",
@@ -178,6 +179,7 @@ def rust_gen_target(d, thing, wd):
         llvm_target,
         endian,
         target_pointer_width,
+        target_pointer_width,
         arch_to_rust_target_arch(arch),
         linker,
         features,