diff --git a/extmetric/extmetric.go b/extmetric/extmetric.go
index 6610aac..6863b48 100644
--- a/extmetric/extmetric.go
+++ b/extmetric/extmetric.go
@@ -47,6 +47,7 @@ func (f MetricCheckAction) Describe() action_kit_api.ActionDescription {
 		Version:     extbuild.GetSemverVersionStringOrUnknown(),
 		Icon:        extutil.Ptr(extinstance.PrometheusIcon),
 		Technology:  extutil.Ptr("Prometheus"),
+		Category:    extutil.Ptr("Prometheus"), //Can be removed in Q1/24 - support for backward compatibility of old sidebar
 		TargetSelection: extutil.Ptr(action_kit_api.TargetSelection{
 			TargetType:          extinstance.PrometheusInstanceTargetId,
 			QuantityRestriction: extutil.Ptr(action_kit_api.ExactlyOne),