diff --git a/assets/test_metadata.json b/assets/test_metadata.json
index 6d54584..7fca971 100644
--- a/assets/test_metadata.json
+++ b/assets/test_metadata.json
@@ -8,6 +8,10 @@
         {
             "name": "first",
             "inputs": [
+                {
+                    "address": "0xdeadbeef00000000000000000000000000000042",
+                    "expected_balance": "1233"
+                },
                 {
                     "instance": "WBTC_1",
                     "method": "#deployer",
diff --git a/crates/core/src/driver/mod.rs b/crates/core/src/driver/mod.rs
index 1f72021..87785e6 100644
--- a/crates/core/src/driver/mod.rs
+++ b/crates/core/src/driver/mod.rs
@@ -527,7 +527,7 @@ where
         &mut self,
         BalanceAssertion {
             address: address_string,
-            amount,
+            expected_balance: amount,
         }: &BalanceAssertion,
         node: &T::Blockchain,
     ) -> anyhow::Result<()> {
diff --git a/crates/format/src/input.rs b/crates/format/src/input.rs
index 437b5d5..c0f70a5 100644
--- a/crates/format/src/input.rs
+++ b/crates/format/src/input.rs
@@ -57,7 +57,7 @@ pub struct BalanceAssertion {
     pub address: String,
 
     /// The amount of balance to assert that the account or contract has.
-    pub amount: U256,
+    pub expected_balance: U256,
 }
 
 #[derive(Clone, Debug, Serialize, Deserialize, Eq, PartialEq)]