diff --git a/rules.mk b/rules.mk.desired
index f088ce8..89de36e 100644
--- a/rules.mk
+++ b/rules.mk.desired
@@ -11,5 +11,20 @@ MODULE_SRCS := $(LOCAL_DIR)/src/lib.rs
 MODULE_RUST_EDITION := 2015
 MODULE_LIBRARY_DEPS := \
 	
+ifeq ($(call TOBOOL,$(TRUSTY_USERSPACE)),false)
+
+# avoid cyclic dependence by adding dependencies manually
+MODULE_ADD_IMPLICIT_DEPS := false
+
+MODULE_RUSTFLAGS += \
+	--cfg 'feature="spin"' \
+	--cfg 'feature="spin_no_std"' \
+
+MODULE_DEPS := \
+	external/rust/crates/spin \
+	trusty/user/base/lib/libcompiler_builtins-rust \
+	trusty/user/base/lib/libcore-rust
+
+endif
 
 include make/library.mk