diff --git a/.changeset/wild-elephants-watch.md b/.changeset/wild-elephants-watch.md
new file mode 100644
index 000000000..0ecb85ab5
--- /dev/null
+++ b/.changeset/wild-elephants-watch.md
@@ -0,0 +1,5 @@
+---
+'renterd': minor
+---
+
+The hosts table now has a last announcement column instead of the known since column.
diff --git a/apps/renterd/contexts/hosts/columns.tsx b/apps/renterd/contexts/hosts/columns.tsx
index 70cf3057d..3e47794fb 100644
--- a/apps/renterd/contexts/hosts/columns.tsx
+++ b/apps/renterd/contexts/hosts/columns.tsx
@@ -331,17 +331,17 @@ export const columns: HostsTableColumn[] = (
       ),
     },
     {
-      id: 'knownSince',
-      label: 'known since',
+      id: 'lastAnnouncement',
+      label: 'last announcement',
       category: 'general',
       render: ({ data }) => {
         return (
           <div className="flex flex-col">
             <Text size="12" noWrap>
-              {formatDistance(new Date(), new Date(data.knownSince))} old
+              {formatDistance(new Date(), new Date(data.lastAnnouncement))} ago
             </Text>
             <Text color="subtle" size="10" noWrap>
-              {formatRelative(new Date(data.knownSince), new Date())}
+              {formatRelative(new Date(data.lastAnnouncement), new Date())}
             </Text>
           </div>
         )
diff --git a/apps/renterd/contexts/hosts/dataset.ts b/apps/renterd/contexts/hosts/dataset.ts
index 87d8b6917..71cfbad1b 100644
--- a/apps/renterd/contexts/hosts/dataset.ts
+++ b/apps/renterd/contexts/hosts/dataset.ts
@@ -97,7 +97,12 @@ function getHostFields(host: Host, allContracts: ContractData[]) {
       host.interactions.LastScan === '0001-01-01T00:00:00Z'
         ? null
         : host.interactions.LastScan,
-    knownSince: host.knownSince,
+    knownSince:
+      host.knownSince === '0001-01-01T00:00:00Z' ? null : host.knownSince,
+    lastAnnouncement:
+      host.lastAnnouncement === '0001-01-01T00:00:00Z'
+        ? null
+        : host.lastAnnouncement,
     uptime: new BigNumber(host.interactions.Uptime || 0),
     downtime: new BigNumber(host.interactions.Downtime || 0),
     successfulInteractions: new BigNumber(
diff --git a/apps/renterd/contexts/hosts/types.tsx b/apps/renterd/contexts/hosts/types.tsx
index 67d425b84..99471ef78 100644
--- a/apps/renterd/contexts/hosts/types.tsx
+++ b/apps/renterd/contexts/hosts/types.tsx
@@ -11,6 +11,7 @@ export type HostData = {
   publicKey: string
   lastScanSuccess: boolean
   lastScan: string
+  lastAnnouncement: string
   knownSince: string
   uptime: BigNumber
   downtime: BigNumber
@@ -63,7 +64,7 @@ const generalColumns = [
   'publicKey',
   'lastScan',
   'totalScans',
-  'knownSince',
+  'lastAnnouncement',
   'uptime',
   'downtime',
   'successfulInteractions',
@@ -165,7 +166,7 @@ export const columnsDefaultVisible: TableColumnId[] = [
   'netAddress',
   'publicKey',
   'lastScan',
-  'knownSince',
+  'lastAnnouncement',
   'totalScans',
   'uptime',
   'hasContract',
diff --git a/libs/react-renterd/src/siaTypes.ts b/libs/react-renterd/src/siaTypes.ts
index bf6aa69cc..e4e38ff42 100644
--- a/libs/react-renterd/src/siaTypes.ts
+++ b/libs/react-renterd/src/siaTypes.ts
@@ -248,6 +248,7 @@ export interface Host {
   publicKey: string
   netAddress: string
   knownSince: string
+  lastAnnouncement: string
   Announcements?: Announcement[]
   interactions: {
     Downtime: number