diff --git a/operator/precompiles/erc20-balances/src/tests.rs b/operator/precompiles/erc20-balances/src/tests.rs
index c089a213..b14d8930 100644
--- a/operator/precompiles/erc20-balances/src/tests.rs
+++ b/operator/precompiles/erc20-balances/src/tests.rs
@@ -280,7 +280,7 @@ fn transfer() {
                         value: 400.into(),
                     },
                 )
-                .expect_cost(176106756) // 1 weight => 1 gas in mock
+                .expect_cost(173835756) // 1 weight => 1 gas in mock
                 .expect_log(log3(
                     Precompile1,
                     SELECTOR_LOG_TRANSFER,
@@ -370,7 +370,7 @@ fn transfer_from() {
                         value: 400.into(),
                     },
                 )
-                .expect_cost(176106756) // 1 weight => 1 gas in mock
+                .expect_cost(173835756) // 1 weight => 1 gas in mock
                 .expect_log(log3(
                     Precompile1,
                     SELECTOR_LOG_TRANSFER,
@@ -466,7 +466,7 @@ fn transfer_from_self() {
                         value: 400.into(),
                     },
                 )
-                .expect_cost(176106756) // 1 weight => 1 gas in mock
+                .expect_cost(173835756) // 1 weight => 1 gas in mock
                 .expect_log(log3(
                     Precompile1,
                     SELECTOR_LOG_TRANSFER,