diff --git a/internal/api/handlers/management/auth_files.go b/internal/api/handlers/management/auth_files.go
index 176f8297..4d1ec44c 100644
--- a/internal/api/handlers/management/auth_files.go
+++ b/internal/api/handlers/management/auth_files.go
@@ -342,7 +342,7 @@ func (h *Handler) listAuthFilesFromDisk(c *gin.Context) {
 						}
 					}
 				}
-				if nv := gjson.GetBytes(data, "note"); nv.Exists() {
+				if nv := gjson.GetBytes(data, "note"); nv.Exists() && nv.Type == gjson.String {
 					if trimmed := strings.TrimSpace(nv.String()); trimmed != "" {
 						fileData["note"] = trimmed
 					}