diff --git a/lib/evmone/execution_state.hpp b/lib/evmone/execution_state.hpp
index 3734539171..1ab0528867 100644
--- a/lib/evmone/execution_state.hpp
+++ b/lib/evmone/execution_state.hpp
@@ -183,6 +183,7 @@ class ExecutionState
         bytes_view _code) noexcept
     {
         gas_left = message.gas;
+        gas_refund = 0;
         memory.clear();
         msg = &message;
         host = {host_interface, host_ctx};
diff --git a/test/unittests/execution_state_test.cpp b/test/unittests/execution_state_test.cpp
index 4c37ba9930..832021e488 100644
--- a/test/unittests/execution_state_test.cpp
+++ b/test/unittests/execution_state_test.cpp
@@ -84,6 +84,7 @@ TEST(execution_state, reset_advanced)
 
     evmone::advanced::AdvancedExecutionState st;
     st.gas_left = 1;
+    st.gas_refund = 2;
     st.stack.push({});
     st.memory.grow(64);
     st.msg = &msg;
@@ -97,6 +98,7 @@ TEST(execution_state, reset_advanced)
     st.analysis.advanced = &analysis;
 
     EXPECT_EQ(st.gas_left, 1);
+    EXPECT_EQ(st.gas_refund, 2);
     EXPECT_EQ(st.stack.size(), 1);
     EXPECT_EQ(st.memory.size(), 64);
     EXPECT_EQ(st.msg, &msg);
@@ -121,6 +123,7 @@ TEST(execution_state, reset_advanced)
         // TODO: We are not able to test HostContext with current API. It may require an execution
         //       test.
         EXPECT_EQ(st.gas_left, 13);
+        EXPECT_EQ(st.gas_refund, 0);
         EXPECT_EQ(st.stack.size(), 0);
         EXPECT_EQ(st.memory.size(), 0);
         EXPECT_EQ(st.msg, &msg2);