diff --git a/staging/src/k8s.io/legacy-cloud-providers/azure/azure_routes.go b/staging/src/k8s.io/legacy-cloud-providers/azure/azure_routes.go
index e25ce1c6516..72545a95f9b 100644
--- a/staging/src/k8s.io/legacy-cloud-providers/azure/azure_routes.go
+++ b/staging/src/k8s.io/legacy-cloud-providers/azure/azure_routes.go
@@ -405,7 +405,7 @@ func mapNodeNameToRouteName(ipv6DualStackEnabled bool, nodeName types.NodeName,
 // Used with mapNodeNameToRouteName. See comment on mapNodeNameToRouteName.
 func mapRouteNameToNodeName(ipv6DualStackEnabled bool, routeName string) types.NodeName {
 	if !ipv6DualStackEnabled {
-		return types.NodeName(fmt.Sprintf("%s", routeName))
+		return types.NodeName(routeName)
 	}
 	parts := strings.Split(routeName, routeNameSeparator)
 	nodeName := parts[0]