diff --git a/spring-cloud-gateway-core/src/main/java/org/springframework/cloud/gateway/filter/NettyRoutingFilter.java b/spring-cloud-gateway-core/src/main/java/org/springframework/cloud/gateway/filter/NettyRoutingFilter.java
index 5ad44caa..08b34587 100644
--- a/spring-cloud-gateway-core/src/main/java/org/springframework/cloud/gateway/filter/NettyRoutingFilter.java
+++ b/spring-cloud-gateway-core/src/main/java/org/springframework/cloud/gateway/filter/NettyRoutingFilter.java
@@ -107,7 +107,7 @@ public class NettyRoutingFilter implements GlobalFilter, Ordered {
 		ServerHttpRequest request = exchange.getRequest();
 
 		final HttpMethod method = HttpMethod.valueOf(request.getMethodValue());
-		final String url = requestUrl.toString();
+		final String url = requestUrl.toASCIIString();
 
 		HttpHeaders filtered = filterRequest(getHeadersFilters(), exchange);