1 files changed, 6 insertions, 0 deletions
diff --git a/rules.mk b/rules.mk
index 5aeddb1..13e25d7 100644
--- a/rules.mk
+++ b/rules.mk
@@ -13,8 +13,14 @@ MODULE_RUSTFLAGS += \
 	--cfg 'feature="default"' \
 	--cfg 'feature="derive"' \
 	--cfg 'feature="serde_derive"' \
+
+ifeq ($(call TOBOOL,$(TRUSTY_USERSPACE)),true)
+
+MODULE_RUSTFLAGS += \
 	--cfg 'feature="std"' \
 
+endif
+
 MODULE_LIBRARY_DEPS := \
 	trusty/user/base/lib/liballoc-rust \
 	external/rust/crates/serde_derive \