diff --git a/spring-webmvc/src/main/java/org/springframework/web/servlet/function/DefaultAsyncServerResponse.java b/spring-webmvc/src/main/java/org/springframework/web/servlet/function/DefaultAsyncServerResponse.java
index 0fd28344543..48a5e900e7b 100644
--- a/spring-webmvc/src/main/java/org/springframework/web/servlet/function/DefaultAsyncServerResponse.java
+++ b/spring-webmvc/src/main/java/org/springframework/web/servlet/function/DefaultAsyncServerResponse.java
@@ -40,8 +40,11 @@ import org.springframework.lang.Nullable;
 import org.springframework.util.Assert;
 import org.springframework.util.ClassUtils;
 import org.springframework.util.MultiValueMap;
+import org.springframework.web.context.request.NativeWebRequest;
+import org.springframework.web.context.request.RequestAttributes;
 import org.springframework.web.context.request.async.AsyncWebRequest;
 import org.springframework.web.context.request.async.DeferredResult;
+import org.springframework.web.context.request.async.DeferredResultProcessingInterceptor;
 import org.springframework.web.context.request.async.WebAsyncManager;
 import org.springframework.web.context.request.async.WebAsyncUtils;
 import org.springframework.web.servlet.ModelAndView;
@@ -54,6 +57,16 @@ import org.springframework.web.servlet.ModelAndView;
  */
 final class DefaultAsyncServerResponse extends ErrorHandlingServerResponse implements AsyncServerResponse {
 
+	private static final DeferredResultProcessingInterceptor CLEAR_PATTERN_ATTRIBUTE_INTERCEPTOR =
+			new DeferredResultProcessingInterceptor() {
+				@Override
+				public <T> void postProcess(NativeWebRequest request, DeferredResult<T> deferredResult,
+						Object concurrentResult) {
+					request.removeAttribute(RouterFunctions.MATCHING_PATTERN_ATTRIBUTE,
+							RequestAttributes.SCOPE_REQUEST);
+				}
+			};
+
 	static final boolean reactiveStreamsPresent = ClassUtils.isPresent(
 			"org.reactivestreams.Publisher", DefaultAsyncServerResponse.class.getClassLoader());
 
@@ -128,6 +141,7 @@ final class DefaultAsyncServerResponse extends ErrorHandlingServerResponse imple
 		WebAsyncManager asyncManager = WebAsyncUtils.getAsyncManager(request);
 		AsyncWebRequest asyncWebRequest = WebAsyncUtils.createAsyncWebRequest(request, response);
 		asyncManager.setAsyncWebRequest(asyncWebRequest);
+		asyncManager.registerDeferredResultInterceptors(CLEAR_PATTERN_ATTRIBUTE_INTERCEPTOR);
 		try {
 			asyncManager.startDeferredResultProcessing(deferredResult);
 		}