diff --git a/core/poller/inputs.go b/core/poller/inputs.go
index e38518e2..12409ec9 100644
--- a/core/poller/inputs.go
+++ b/core/poller/inputs.go
@@ -115,7 +115,7 @@ func (u *UnifiPoller) MetricsFrom(filter *Filter) (*Metrics, bool, error) {
 	ok := false
 
 	for _, input := range inputs {
-		if !strings.EqualFold(input.Name, filter.Name) {
+		if filter != nil && !strings.EqualFold(input.Name, filter.Name) {
 			continue
 		}