diff --git a/public/app/features/alerting/unified/components/rule-editor/query-and-alert-condition/SimpleCondition.tsx b/public/app/features/alerting/unified/components/rule-editor/query-and-alert-condition/SimpleCondition.tsx
index 12b967cd743..7307675defd 100644
--- a/public/app/features/alerting/unified/components/rule-editor/query-and-alert-condition/SimpleCondition.tsx
+++ b/public/app/features/alerting/unified/components/rule-editor/query-and-alert-condition/SimpleCondition.tsx
@@ -143,7 +143,7 @@ export const SimpleConditionEditor = ({
                   type="number"
                   width={10}
                   onChange={onEvaluateValueChange}
-                  value={simpleCondition.evaluator.params[0] || 0}
+                  value={simpleCondition.evaluator.params[0]}
                 />
               )}
             </Stack>