diff --git a/recipes/core/relibc/recipe.toml b/recipes/core/relibc/recipe.toml
index 04647941..47895258 100644
--- a/recipes/core/relibc/recipe.toml
+++ b/recipes/core/relibc/recipe.toml
@@ -4,6 +4,9 @@ git = "https://gitlab.redox-os.org/redox-os/relibc.git"
 [build]
 template = "custom"
 script = """
+# obscure crash if jobs number is too much
+COOKBOOK_MAKE_JOBS="$(( ${COOKBOOK_MAKE_JOBS} > 8 ? 8 : ${COOKBOOK_MAKE_JOBS} ))"
+
 export CARGO=${CARGO:-env -u CARGO cargo}
 "${COOKBOOK_MAKE}" \
     -C "${COOKBOOK_SOURCE}" \