diff --git a/src/components/trace/ha-trace-path-details.ts b/src/components/trace/ha-trace-path-details.ts
index dcf97366bd..8264b1d0b5 100644
--- a/src/components/trace/ha-trace-path-details.ts
+++ b/src/components/trace/ha-trace-path-details.ts
@@ -194,7 +194,7 @@ export class HaTracePathDetails extends LitElement {
       // it's the last entry. Find all logbook entries after start.
       const startTime = new Date(startTrace[0].timestamp);
       const idx = this.logbookEntries.findIndex(
-        (entry) => new Date(entry.when) >= startTime
+        (entry) => new Date(entry.when * 1000) >= startTime
       );
       if (idx === -1) {
         entries = [];
@@ -210,7 +210,7 @@ export class HaTracePathDetails extends LitElement {
       entries = [];
 
       for (const entry of this.logbookEntries || []) {
-        const entryDate = new Date(entry.when);
+        const entryDate = new Date(entry.when * 1000);
         if (entryDate >= startTime) {
           if (entryDate < endTime) {
             entries.push(entry);
diff --git a/src/components/trace/hat-trace-timeline.ts b/src/components/trace/hat-trace-timeline.ts
index e7ab310280..3a47a9f819 100644
--- a/src/components/trace/hat-trace-timeline.ts
+++ b/src/components/trace/hat-trace-timeline.ts
@@ -116,7 +116,7 @@ class LogbookRenderer {
   maybeRenderItem() {
     const logbookEntry = this.curItem;
     this.curIndex++;
-    const entryDate = new Date(logbookEntry.when);
+    const entryDate = new Date(logbookEntry.when * 1000);
 
     if (this.pendingItems.length === 0) {
       this.pendingItems.push([entryDate, logbookEntry]);
@@ -248,7 +248,7 @@ class ActionRenderer {
     // Render all logbook items that are in front of this item.
     while (
       this.logbookRenderer.hasNext &&
-      new Date(this.logbookRenderer.curItem.when) < timestamp
+      new Date(this.logbookRenderer.curItem.when * 1000) < timestamp
     ) {
       this.logbookRenderer.maybeRenderItem();
     }