diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 82e3fb19fdaf..5c4e437f9d85 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -272,7 +272,7 @@ rust_common_cmd = \
 	-Zallow-features=$(rust_allowed_features) \
 	-Zcrate-attr=no_std \
 	-Zcrate-attr='feature($(rust_allowed_features))' \
-	--extern alloc --extern kernel \
+	-Zunstable-options --extern force:alloc --extern kernel \
 	--crate-type rlib -L $(objtree)/rust/ \
 	--crate-name $(basename $(notdir $@)) \
 	--out-dir $(dir $@) --emit=dep-info=$(depfile)