diff --git a/packages/api/src/router/widgets/beszel.ts b/packages/api/src/router/widgets/beszel.ts
index f20da7530..036558ac1 100644
--- a/packages/api/src/router/widgets/beszel.ts
+++ b/packages/api/src/router/widgets/beszel.ts
@@ -175,7 +175,11 @@ export const beszelRouter = createTRPCRouter({
             await instance.subscribeRealtimeMetrics(input.systemId, (data) => emit.next(data), abortController.signal);
           } catch (error) {
             if (!abortController.signal.aborted) {
-              emit.error(error instanceof Error ? error : new Error(String(error)));
+              if (error instanceof Error) {
+                emit.error(error);
+              } else {
+                emit.error(new Error(String(error)));
+              }
             }
           }
         })();