diff --git a/web/ui/mantine-ui/src/components/RuleDefinition.tsx b/web/ui/mantine-ui/src/components/RuleDefinition.tsx
index f3c4c88485..f428df46a8 100644
--- a/web/ui/mantine-ui/src/components/RuleDefinition.tsx
+++ b/web/ui/mantine-ui/src/components/RuleDefinition.tsx
@@ -85,7 +85,7 @@ const RuleDefinition: FC<{ rule: Rule }> = ({ rule }) => {
               styles={{ label: { textTransform: "none" } }}
               leftSection={<IconClockPlay style={badgeIconStyle} />}
             >
-              keep_firing_for: {formatPrometheusDuration(rule.duration * 1000)}
+              keep_firing_for: {formatPrometheusDuration(rule.keepFiringFor * 1000)}
             </Badge>
           )}
         </Group>