diff --git a/main.go b/main.go
index 1df93ba..216ff45 100644
--- a/main.go
+++ b/main.go
@@ -30,6 +30,9 @@ func main() {
 		}
 
 		externalIpProvider, err = plainExternalIpProvider.New(plainConfig)
+		if err != nil {
+			panic(err)
+		}
 	default:
 		panic(fmt.Errorf("unknown external IP provider: %s", configClient.ExternalIPProvider.Type))
 	}