diff --git a/src/dashboard/components/DashboardLayout.tsx b/src/dashboard/components/DashboardLayout.tsx
index 929a869..dc34280 100644
--- a/src/dashboard/components/DashboardLayout.tsx
+++ b/src/dashboard/components/DashboardLayout.tsx
@@ -65,13 +65,18 @@ export function DashboardLayout() {
   const { currentUser } = useAuth();
 
   const handleSignOut = async () => {
-    await signOut(auth);
-    navigate("/");
+    try {
+      await signOut(auth);
+      navigate("/");
+    } catch (error) {
+      console.error("Sign out failed:", error);
+    }
   };
 
   const initials = currentUser?.displayName
     ? currentUser.displayName
         .split(" ")
+        .filter((n) => n.length > 0)
         .map((n) => n[0])
         .join("")
         .toUpperCase()
diff --git a/src/dashboard/pages/DashboardOverview.tsx b/src/dashboard/pages/DashboardOverview.tsx
index 9d540de..8d6f3dd 100644
--- a/src/dashboard/pages/DashboardOverview.tsx
+++ b/src/dashboard/pages/DashboardOverview.tsx
@@ -57,12 +57,18 @@ export function DashboardOverview() {
     );
   }
 
-  const overallProgress = Math.round(
-    Object.values(project.stages).reduce(
-      (sum, s) => sum + s.completionPercent,
-      0,
-    ) / Object.keys(project.stages).length,
-  );
+  const stageValues = Object.values(project.stages ?? {});
+  const overallProgress =
+    stageValues.length > 0
+      ? Math.round(
+          stageValues.reduce(
+            (sum, s) =>
+              sum +
+              (Number.isFinite(s.completionPercent) ? s.completionPercent : 0),
+            0,
+          ) / stageValues.length,
+        )
+      : 0;
 
   const completedStages = Object.values(project.stages).filter(
     (s) => s.status === "completed",