diff --git a/airgap/filterquery_marshall_test.go b/airgap/filterquery_marshall_test.go
index ccfba1b0..2b2e9372 100644
--- a/airgap/filterquery_marshall_test.go
+++ b/airgap/filterquery_marshall_test.go
@@ -32,7 +32,7 @@ func TestFilterQueryMarshalling(t *testing.T) {
 			name: "Complete",
 			sample: FilterQueryParams{
 				Event:     EpochRewardsDistributedToVoters,
-				Topics:    [][]interface{}{[]interface{}{"0x00000011"}}, // these will be simple types always
+				Topics:    [][]interface{}{{"0x00000011"}}, // these will be simple types always
 				FromBlock: big.NewInt(1000),
 				ToBlock:   big.NewInt(2000),
 			},