diff --git a/accounts/abi/abigen/source2.go.tpl b/accounts/abi/abigen/source2.go.tpl
index 8ef906b8d6..3d98cbb700 100644
--- a/accounts/abi/abigen/source2.go.tpl
+++ b/accounts/abi/abigen/source2.go.tpl
@@ -183,7 +183,7 @@ var (
 		// Solidity: {{.Original.String}}
 		func ({{ decapitalise $contract.Type}} *{{$contract.Type}}) Unpack{{.Normalized.Name}}Event(log *types.Log) (*{{$contract.Type}}{{.Normalized.Name}}, error) {
 			event := "{{.Original.Name}}"
-			if log.Topics[0] != {{ decapitalise $contract.Type}}.abi.Events[event].ID {
+			if len(log.Topics) == 0 || log.Topics[0] != {{ decapitalise $contract.Type}}.abi.Events[event].ID {
 				return nil, errors.New("event signature mismatch")
 			}
 			out := new({{$contract.Type}}{{.Normalized.Name}})