diff --git a/internal/server/ship_processor.go b/internal/server/ship_processor.go
index 38ef73f..7106f4f 100644
--- a/internal/server/ship_processor.go
+++ b/internal/server/ship_processor.go
@@ -153,7 +153,7 @@ func (processor *ShipProcessor) proccessActionTrace(logger *log.Entry, trace *sh
 	}
 
 	// Check blacklist if we should skip this action
-	if processor.blacklist.Lookup(trace.Act.Account.String(), trace.Act.Name.String()) {
+	if !processor.blacklist.IsAllowed(trace.Act.Account.String(), trace.Act.Name.String()) {
 		logger.WithFields(log.Fields{
 			"contract": trace.Act.Account,
 			"action":   trace.Act.Name,
diff --git a/internal/types/blacklist.go b/internal/types/blacklist.go
index cbe28b5..2b0812f 100644
--- a/internal/types/blacklist.go
+++ b/internal/types/blacklist.go
@@ -9,13 +9,17 @@ func (bl Blacklist) Add(contract string, action string) {
 	bl[contract] = append(bl[contract], action)
 }
 
-func (bl Blacklist) Lookup(contract string, action string) bool {
+func (bl Blacklist) IsAllowed(contract string, action string) bool {
 	if v, ok := bl[contract]; ok {
 		for _, act := range v {
 			if act == action || act == "*" {
-				return true
+				return false
 			}
 		}
 	}
-	return false
+	return true
+}
+
+func (bl Blacklist) IsDenied(contract string, action string) bool {
+	return bl.IsAllowed(contract, action)
 }
diff --git a/internal/types/blacklist_test.go b/internal/types/blacklist_test.go
index a897802..f156e78 100644
--- a/internal/types/blacklist_test.go
+++ b/internal/types/blacklist_test.go
@@ -20,24 +20,24 @@ func TestBlacklist_Add(t *testing.T) {
 	require.Equal(t, expected, bl)
 }
 
-func TestBlacklist_Lookup(t *testing.T) {
+func TestBlacklist_IsAllowed(t *testing.T) {
 	bl := Blacklist{
 		"mycontract": {"myaction", "noop"},
 	}
 
-	require.True(t, bl.Lookup("mycontract", "myaction"))
-	require.True(t, bl.Lookup("mycontract", "noop"))
-	require.False(t, bl.Lookup("mycontract", "xxx"))
-	require.False(t, bl.Lookup("xxx", "yyy"))
+	require.False(t, bl.IsAllowed("mycontract", "myaction"))
+	require.False(t, bl.IsAllowed("mycontract", "noop"))
+	require.True(t, bl.IsAllowed("mycontract", "xxx"))
+	require.True(t, bl.IsAllowed("xxx", "yyy"))
 }
 
-func TestBlacklist_LookupWildcard(t *testing.T) {
+func TestBlacklist_IsAllowedWildcard(t *testing.T) {
 	bl := Blacklist{
 		"mycontract": {"*"},
 	}
 
-	require.True(t, bl.Lookup("mycontract", "myaction"))
-	require.True(t, bl.Lookup("mycontract", "noop"))
-	require.True(t, bl.Lookup("mycontract", "xxx"))
-	require.False(t, bl.Lookup("xxx", "yyy"))
+	require.False(t, bl.IsAllowed("mycontract", "myaction"))
+	require.False(t, bl.IsAllowed("mycontract", "noop"))
+	require.False(t, bl.IsAllowed("mycontract", "xxx"))
+	require.True(t, bl.IsAllowed("xxx", "yyy"))
 }