diff --git a/public/app/features/alerting/unified/components/expressions/Expression.tsx b/public/app/features/alerting/unified/components/expressions/Expression.tsx
index 4057a771ac8..4666067a3df 100644
--- a/public/app/features/alerting/unified/components/expressions/Expression.tsx
+++ b/public/app/features/alerting/unified/components/expressions/Expression.tsx
@@ -60,8 +60,8 @@ export const Expression: FC<ExpressionProps> = ({
   const showSummary = isAlertCondition && hasResults;
 
   const groupedByState = {
-    [PromAlertingRuleState.Firing]: series.filter((serie) => getSeriesValue(serie) >= 1),
-    [PromAlertingRuleState.Inactive]: series.filter((serie) => getSeriesValue(serie) < 1),
+    [PromAlertingRuleState.Firing]: series.filter((serie) => getSeriesValue(serie) !== 0),
+    [PromAlertingRuleState.Inactive]: series.filter((serie) => getSeriesValue(serie) === 0),
   };
 
   const renderExpressionType = useCallback(