diff --git a/recipes/drivers-initfs/recipe.toml b/recipes/drivers-initfs/recipe.toml
index 4d0d51c8b39e7a32d9ceed3ce14b974c6744397b..c1b84a3937580b93eae30e3ff0fc98fa130598c1 100644
--- a/recipes/drivers-initfs/recipe.toml
+++ b/recipes/drivers-initfs/recipe.toml
@@ -26,7 +26,7 @@ do
         --manifest-path "${COOKBOOK_SOURCE}/${bin}/Cargo.toml" \
         --bin "${bin}" \
         -- \
-        -C opt-level=z \
+        -C opt-level=s \
         -C panic=abort
     cp -v "target/${TARGET}/release/${bin}" "${COOKBOOK_STAGE}/bin"
 done