diff --git a/rpc/block_test.go b/rpc/block_test.go
index 71f046f9..5256bcdd 100644
--- a/rpc/block_test.go
+++ b/rpc/block_test.go
@@ -655,5 +655,5 @@ func validatePendingBlockHeader(t *testing.T, pBlock *PendingBlockHeader) {
 	require.NotZero(t, pBlock.L1GasPrice)
 	require.NotZero(t, pBlock.StarknetVersion)
 	require.NotZero(t, pBlock.L1DataGasPrice)
-	require.NotZero(t, pBlock.L1DAMode)
+	require.NotNil(t, pBlock.L1DAMode)
 }