diff --git a/web/ui/mantine-ui/src/pages/AlertsPage.tsx b/web/ui/mantine-ui/src/pages/AlertsPage.tsx
index 4b73fbfb55..b79ec4005c 100644
--- a/web/ui/mantine-ui/src/pages/AlertsPage.tsx
+++ b/web/ui/mantine-ui/src/pages/AlertsPage.tsx
@@ -221,7 +221,7 @@ export default function AlertsPage() {
           shadow="xs"
           withBorder
           p="md"
-          key={`${g.name}-${g.file}`} // TODO: Find a stable and definitely unique key.
+          key={`${g.file}-${g.name}`} // TODO: Find a stable and definitely unique key.
         >
           <Group mb="sm" justify="space-between">
             <Group align="baseline">
diff --git a/web/ui/mantine-ui/src/pages/RulesPage.tsx b/web/ui/mantine-ui/src/pages/RulesPage.tsx
index ef1e1d6243..50567a736d 100644
--- a/web/ui/mantine-ui/src/pages/RulesPage.tsx
+++ b/web/ui/mantine-ui/src/pages/RulesPage.tsx
@@ -86,12 +86,13 @@ export default function RulesPage() {
           (effectiveActivePage - 1) * ruleGroupsPerPage,
           effectiveActivePage * ruleGroupsPerPage
         )
-        .map((g, i) => (
+        .map((g) => (
           <Card
             shadow="xs"
             withBorder
             p="md"
-            key={i} // TODO: Find a stable and definitely unique key.
+            mb="md"
+            key={`${g.file}-${g.name}`} // TODO: Find a stable and definitely unique key.
           >
             <Group mb="sm" justify="space-between">
               <Group align="baseline">