diff --git a/spring-webflux/src/main/java/org/springframework/web/reactive/accept/RequestedContentTypeResolverBuilder.java b/spring-webflux/src/main/java/org/springframework/web/reactive/accept/RequestedContentTypeResolverBuilder.java
index e82ce8a6bcf..55963724574 100644
--- a/spring-webflux/src/main/java/org/springframework/web/reactive/accept/RequestedContentTypeResolverBuilder.java
+++ b/spring-webflux/src/main/java/org/springframework/web/reactive/accept/RequestedContentTypeResolverBuilder.java
@@ -94,7 +94,7 @@ public class RequestedContentTypeResolverBuilder {
 		return exchange -> {
 			for (RequestedContentTypeResolver resolver : resolvers) {
 				List<MediaType> mediaTypes = resolver.resolveMediaTypes(exchange);
-				if (mediaTypes.equals(RequestedContentTypeResolver.MEDIA_TYPE_ALL_LIST)) {
+				if (isMediaTypeAll(mediaTypes)) {
 					continue;
 				}
 				return mediaTypes;
@@ -103,6 +103,11 @@ public class RequestedContentTypeResolverBuilder {
 		};
 	}
 
+	private boolean isMediaTypeAll(List<MediaType> mediaTypes) {
+		return mediaTypes.size() == 1
+			&& mediaTypes.get(0).removeQualityValue().equals(MediaType.ALL);
+	}
+
 
 	/**
 	 * Helper to create and configure {@link ParameterContentTypeResolver}.
diff --git a/spring-webflux/src/test/java/org/springframework/web/reactive/accept/RequestedContentTypeResolverBuilderTests.java b/spring-webflux/src/test/java/org/springframework/web/reactive/accept/RequestedContentTypeResolverBuilderTests.java
index f4b7dc36fab..f0dccf848b6 100644
--- a/spring-webflux/src/test/java/org/springframework/web/reactive/accept/RequestedContentTypeResolverBuilderTests.java
+++ b/spring-webflux/src/test/java/org/springframework/web/reactive/accept/RequestedContentTypeResolverBuilderTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -34,8 +34,7 @@ import static org.assertj.core.api.Assertions.assertThat;
 public class RequestedContentTypeResolverBuilderTests {
 
 	@Test
-	public void defaultSettings() throws Exception {
-
+	void defaultSettings() {
 		RequestedContentTypeResolver resolver = new RequestedContentTypeResolverBuilder().build();
 		MockServerWebExchange exchange = MockServerWebExchange.from(
 				MockServerHttpRequest.get("/flower").accept(MediaType.IMAGE_GIF));
@@ -45,8 +44,7 @@ public class RequestedContentTypeResolverBuilderTests {
 	}
 
 	@Test
-	public void parameterResolver() throws Exception {
-
+	void parameterResolver() {
 		RequestedContentTypeResolverBuilder builder = new RequestedContentTypeResolverBuilder();
 		builder.parameterResolver().mediaType("json", MediaType.APPLICATION_JSON);
 		RequestedContentTypeResolver resolver = builder.build();
@@ -58,8 +56,7 @@ public class RequestedContentTypeResolverBuilderTests {
 	}
 
 	@Test
-	public void parameterResolverWithCustomParamName() throws Exception {
-
+	void parameterResolverWithCustomParamName() {
 		RequestedContentTypeResolverBuilder builder = new RequestedContentTypeResolverBuilder();
 		builder.parameterResolver().mediaType("json", MediaType.APPLICATION_JSON).parameterName("s");
 		RequestedContentTypeResolver resolver = builder.build();
@@ -71,8 +68,7 @@ public class RequestedContentTypeResolverBuilderTests {
 	}
 
 	@Test // SPR-10513
-	public void fixedResolver() throws Exception {
-
+	void fixedResolver() {
 		RequestedContentTypeResolverBuilder builder = new RequestedContentTypeResolverBuilder();
 		builder.fixedResolver(MediaType.APPLICATION_JSON);
 		RequestedContentTypeResolver resolver = builder.build();
@@ -84,8 +80,7 @@ public class RequestedContentTypeResolverBuilderTests {
 	}
 
 	@Test // SPR-12286
-	public void resolver() throws Exception {
-
+	void resolver() {
 		RequestedContentTypeResolverBuilder builder = new RequestedContentTypeResolverBuilder();
 		builder.resolver(new FixedContentTypeResolver(MediaType.APPLICATION_JSON));
 		RequestedContentTypeResolver resolver = builder.build();
@@ -99,4 +94,17 @@ public class RequestedContentTypeResolverBuilderTests {
 		assertThat(mediaTypes).isEqualTo(Collections.singletonList(MediaType.APPLICATION_JSON));
 	}
 
+	@Test
+	void removeQualityFactorForMediaTypeAllChecks() {
+		RequestedContentTypeResolverBuilder builder = new RequestedContentTypeResolverBuilder();
+		builder.resolver(new HeaderContentTypeResolver());
+		builder.resolver(new FixedContentTypeResolver(MediaType.APPLICATION_JSON));
+		RequestedContentTypeResolver resolver = builder.build();
+
+		MockServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.get("/")
+				.accept(MediaType.valueOf("*/*;q=0.8")));
+		List<MediaType> mediaTypes = resolver.resolveMediaTypes(exchange);
+		assertThat(mediaTypes).isEqualTo(Collections.singletonList(MediaType.APPLICATION_JSON));
+	}
+
 }