diff --git a/lib/api/wallet_manager.dart b/lib/api/wallet_manager.dart
index 8f5d086..53c5c02 100644
--- a/lib/api/wallet_manager.dart
+++ b/lib/api/wallet_manager.dart
@@ -26,8 +26,12 @@ class WalletManager {
       path.createSync();
     }
     final wallets = <Wallet>[];
-    for (final w
-        in path.listSync().map((e) => e.path.split("/").last).toList()) {
+    for (final w in path
+        .listSync()
+        .whereType<File>()
+        .where((e) => e.path.endsWith(".json"))
+        .map((e) => e.path.split("/").last)
+        .toList()) {
       try {
         wallets.add(loadWallet(w));
       } catch (e) {