diff --git a/src/file-viewer/cache.ts b/src/file-viewer/cache.ts
index 3493a8cc072c18f7eed53f7966f6dfd032a4468e..b6ce512d4487793e53a2365ecc7f82c1ffec4e4d 100644
--- a/src/file-viewer/cache.ts
+++ b/src/file-viewer/cache.ts
@@ -61,32 +61,36 @@ const parallelRequests = new Map<string, Promise<http.IncomingMessage>>();
 
 // Revive disk cache state
 revive: {
-  const state = diskCacheState
-    .readIfExistsSync<Lru.Serialized<string, number>>("json");
-  if (!state) break revive;
-  const missing = new Set(diskCacheRoot.readDirSync().map((c) => c.base));
-  missing.delete(diskCacheState.base);
-  diskCache.revive(state, {
-    map(k: string, v: number) {
-      const path = new Path(k);
+  try {
+    const state = diskCacheState
+      .readIfExistsSync<Lru.Serialized<string, number>>("json");
+    if (!state) break revive;
+    const missing = new Set(diskCacheRoot.readDirSync().map((c) => c.base));
+    missing.delete(diskCacheState.base);
+    diskCache.revive(state, {
+      map(k: string, v: number) {
+        const path = new Path(k);
+        try {
+          const { size } = path.statSync();
+          if (size !== v) return null;
+          if (!missing.delete(k)) return null;
+          return [
+            path,
+            { size, written: new async.Watch(size), memory: new Map() },
+          ];
+        } catch {
+          return null;
+        }
+      },
+    });
+    // Delete unreferenced files
+    for (const missingFile of missing) {
       try {
-        const { size } = path.statSync();
-        if (size !== v) return null;
-        if (!missing.delete(k)) return null;
-        return [
-          path,
-          { size, written: new async.Watch(size), memory: new Map() },
-        ];
-      } catch {
-        return null;
-      }
-    },
-  });
-  // Delete unreferenced files
-  for (const missingFile of missing) {
-    try {
-      diskCacheRoot.join(missingFile).deleteSync();
-    } catch {}
+        diskCacheRoot.join(missingFile).deleteSync();
+      } catch {}
+    }
+  } catch (err) {
+    console.warn("Failed to restore file viewer cache", err);
   }
 }