diff --git a/rpc/response.go b/rpc/response.go
index 99d32cd..84dfb00 100644
--- a/rpc/response.go
+++ b/rpc/response.go
@@ -24,8 +24,8 @@ type StateGetAuctionInfoResult struct {
 }
 
 type StateGetBalanceResult struct {
-	ApiVersion   string `json:"api_version"`
-	BalanceValue uint64 `json:"balance_value,string"`
+	ApiVersion   string          `json:"api_version"`
+	BalanceValue clvalue.UInt512 `json:"balance_value"`
 }
 
 type StateGetAccountInfo struct {
diff --git a/tests/rpc/rpc_client_test.go b/tests/rpc/rpc_client_test.go
index 4af15cb..d6ca964 100644
--- a/tests/rpc/rpc_client_test.go
+++ b/tests/rpc/rpc_client_test.go
@@ -204,7 +204,7 @@ func Test_DefaultClient_GetStateBalance(t *testing.T) {
 		"uref-7b12008bb757ee32caefb3f7a1f77d9f659ee7a4e21ad4950c4e0294000492eb-007",
 	)
 	require.NoError(t, err)
-	assert.NotEmpty(t, result.BalanceValue)
+	assert.Equal(t, "93000000000", result.BalanceValue.String())
 }
 
 func Test_DefaultClient_GetStateBalance_WithEmptyStateRootHash(t *testing.T) {