diff --git a/packages/common/src/math.rs b/packages/common/src/math.rs
index 778a3dc..16fb6d8 100644
--- a/packages/common/src/math.rs
+++ b/packages/common/src/math.rs
@@ -1,3 +1,5 @@
+#![cfg_attr(not(test), no_std)]
+
 use soroban_sdk::contracterror;
 
 #[contracterror]