diff --git a/changes/19184-activity-human-readable b/changes/19184-activity-human-readable
new file mode 100644
index 0000000000..2021f81bca
--- /dev/null
+++ b/changes/19184-activity-human-readable
@@ -0,0 +1 @@
+- Fix activity without public IP to be human readable
diff --git a/frontend/pages/DashboardPage/cards/ActivityFeed/ActivityItem/ActivityItem.tests.tsx b/frontend/pages/DashboardPage/cards/ActivityFeed/ActivityItem/ActivityItem.tests.tsx
index 830d485425..f04e855af7 100644
--- a/frontend/pages/DashboardPage/cards/ActivityFeed/ActivityItem/ActivityItem.tests.tsx
+++ b/frontend/pages/DashboardPage/cards/ActivityFeed/ActivityItem/ActivityItem.tests.tsx
@@ -245,6 +245,15 @@ describe("Activity Feed", () => {
       screen.getByText("successfully logged in from public IP 192.168.0.1.")
     ).toBeInTheDocument();
   });
+  it("renders a user_logged_in type activity without public IP", () => {
+    const activity = createMockActivity({
+      type: ActivityType.UserLoggedIn,
+      details: {},
+    });
+    render(<ActivityItem activity={activity} isPremiumTier />);
+
+    expect(screen.getByText("successfully logged in.")).toBeInTheDocument();
+  });
 
   it("renders a user_failed_login type activity globally", () => {
     const activity = createMockActivity({
diff --git a/frontend/pages/DashboardPage/cards/ActivityFeed/ActivityItem/ActivityItem.tsx b/frontend/pages/DashboardPage/cards/ActivityFeed/ActivityItem/ActivityItem.tsx
index c3a2759329..d8deaf0fe7 100644
--- a/frontend/pages/DashboardPage/cards/ActivityFeed/ActivityItem/ActivityItem.tsx
+++ b/frontend/pages/DashboardPage/cards/ActivityFeed/ActivityItem/ActivityItem.tsx
@@ -182,7 +182,14 @@ const TAGGED_TEMPLATES = {
     return "was added to Fleet by SSO.";
   },
   userLoggedIn: (activity: IActivity) => {
-    return `successfully logged in from public IP ${activity.details?.public_ip}.`;
+    return (
+      <>
+        successfully logged in
+        {activity.details?.public_ip &&
+          ` from public IP ${activity.details?.public_ip}`}
+        .
+      </>
+    );
   },
   userFailedLogin: (activity: IActivity) => {
     return (