diff --git a/spring-graphql/src/main/java/org/springframework/graphql/server/webflux/AbstractGraphQlHttpHandler.java b/spring-graphql/src/main/java/org/springframework/graphql/server/webflux/AbstractGraphQlHttpHandler.java
index 6f869254..f0a0631d 100644
--- a/spring-graphql/src/main/java/org/springframework/graphql/server/webflux/AbstractGraphQlHttpHandler.java
+++ b/spring-graphql/src/main/java/org/springframework/graphql/server/webflux/AbstractGraphQlHttpHandler.java
@@ -36,6 +36,7 @@
 import org.springframework.lang.Nullable;
 import org.springframework.util.Assert;
 import org.springframework.util.CollectionUtils;
+import org.springframework.util.StringUtils;
 import org.springframework.web.reactive.function.server.ServerRequest;
 import org.springframework.web.reactive.function.server.ServerResponse;
 import org.springframework.web.server.UnsupportedMediaTypeStatusException;
@@ -114,15 +115,20 @@ private Mono<SerializableGraphQlRequest> readRequest(ServerRequest serverRequest
 	private static Mono<SerializableGraphQlRequest> applyApplicationGraphQlFallback(
 			UnsupportedMediaTypeStatusException ex, ServerRequest request) {
 
-		// Spec requires application/json but some clients still use application/graphql
-		return "application/graphql".equals(request.headers().firstHeader(HttpHeaders.CONTENT_TYPE)) ?
-				ServerRequest.from(request)
-						.headers((headers) -> headers.setContentType(MediaType.APPLICATION_JSON))
-						.body(request.bodyToFlux(DataBuffer.class))
-						.build()
-						.bodyToMono(SerializableGraphQlRequest.class)
-						.log() :
-				Mono.error(ex);
+		String contentTypeHeader = request.headers().firstHeader(HttpHeaders.CONTENT_TYPE);
+		if (StringUtils.hasText(contentTypeHeader)) {
+			MediaType contentType = MediaType.parseMediaType(contentTypeHeader);
+			MediaType applicationGraphQl = MediaType.parseMediaType("application/graphql");
+
+			// Spec requires application/json but some clients still use application/graphql
+			return applicationGraphQl.includes(contentType) ? ServerRequest.from(request)
+					.headers((headers) -> headers.setContentType(MediaType.APPLICATION_JSON))
+					.body(request.bodyToFlux(DataBuffer.class))
+					.build()
+					.bodyToMono(SerializableGraphQlRequest.class)
+					.log() : Mono.error(ex);
+		}
+		return Mono.error(ex);
 	}
 
 	/**
diff --git a/spring-graphql/src/main/java/org/springframework/graphql/server/webmvc/AbstractGraphQlHttpHandler.java b/spring-graphql/src/main/java/org/springframework/graphql/server/webmvc/AbstractGraphQlHttpHandler.java
index f697dd05..faba51c4 100644
--- a/spring-graphql/src/main/java/org/springframework/graphql/server/webmvc/AbstractGraphQlHttpHandler.java
+++ b/spring-graphql/src/main/java/org/springframework/graphql/server/webmvc/AbstractGraphQlHttpHandler.java
@@ -49,6 +49,7 @@
 import org.springframework.util.IdGenerator;
 import org.springframework.util.LinkedMultiValueMap;
 import org.springframework.util.MultiValueMap;
+import org.springframework.util.StringUtils;
 import org.springframework.web.HttpMediaTypeNotSupportedException;
 import org.springframework.web.server.ServerWebInputException;
 import org.springframework.web.servlet.ModelAndView;
@@ -170,17 +171,22 @@ private GraphQlRequest readBody(ServerRequest request) throws ServletException {
 	private static SerializableGraphQlRequest applyApplicationGraphQlFallback(
 			ServerRequest request, HttpMediaTypeNotSupportedException ex) throws HttpMediaTypeNotSupportedException {
 
-		// Spec requires application/json but some clients still use application/graphql
-		if ("application/graphql".equals(request.headers().firstHeader(HttpHeaders.CONTENT_TYPE))) {
-			try {
-				request = ServerRequest.from(request)
-						.headers((headers) -> headers.setContentType(MediaType.APPLICATION_JSON))
-						.body(request.body(byte[].class))
-						.build();
-				return request.body(SerializableGraphQlRequest.class);
-			}
-			catch (Throwable ex2) {
-				// ignore
+		String contentTypeHeader = request.headers().firstHeader(HttpHeaders.CONTENT_TYPE);
+		if (StringUtils.hasText(contentTypeHeader)) {
+			MediaType contentType = MediaType.parseMediaType(contentTypeHeader);
+			MediaType applicationGraphQl = MediaType.parseMediaType("application/graphql");
+			// Spec requires application/json but some clients still use application/graphql
+			if (applicationGraphQl.includes(contentType)) {
+				try {
+					request = ServerRequest.from(request)
+							.headers((headers) -> headers.setContentType(MediaType.APPLICATION_JSON))
+							.body(request.body(byte[].class))
+							.build();
+					return request.body(SerializableGraphQlRequest.class);
+				}
+				catch (Throwable ex2) {
+					// ignore
+				}
 			}
 		}
 		throw ex;
diff --git a/spring-graphql/src/test/java/org/springframework/graphql/server/webflux/GraphQlHttpHandlerTests.java b/spring-graphql/src/test/java/org/springframework/graphql/server/webflux/GraphQlHttpHandlerTests.java
index 768ac766..e8648e8f 100644
--- a/spring-graphql/src/test/java/org/springframework/graphql/server/webflux/GraphQlHttpHandlerTests.java
+++ b/spring-graphql/src/test/java/org/springframework/graphql/server/webflux/GraphQlHttpHandlerTests.java
@@ -99,6 +99,22 @@ void shouldSupportApplicationGraphQl() throws Exception {
 				.verifyComplete();
 	}
 
+	@Test
+	void shouldSupportApplicationGraphQlWithCharset() throws Exception {
+		String document = "{greeting}";
+		MockServerHttpRequest httpRequest = MockServerHttpRequest.post("/")
+				.contentType(MediaType.parseMediaType("application/graphql;charset=UTF-8"))
+				.accept(MediaType.ALL)
+				.body(initRequestBody(document));
+
+		MockServerHttpResponse response = handleRequest(httpRequest, this.greetingHandler);
+
+		assertThat(response.getHeaders().getContentType()).isEqualTo(MediaType.APPLICATION_JSON);
+		StepVerifier.create(response.getBodyAsString())
+				.expectNext("{\"data\":{\"greeting\":\"Hello\"}}")
+				.verifyComplete();
+	}
+
 	@Test
 	void shouldProduceApplicationGraphQl() throws Exception {
 		MockServerHttpRequest httpRequest = MockServerHttpRequest.post("/")
diff --git a/spring-graphql/src/test/java/org/springframework/graphql/server/webmvc/GraphQlHttpHandlerTests.java b/spring-graphql/src/test/java/org/springframework/graphql/server/webmvc/GraphQlHttpHandlerTests.java
index 76e05957..d9792f41 100644
--- a/spring-graphql/src/test/java/org/springframework/graphql/server/webmvc/GraphQlHttpHandlerTests.java
+++ b/spring-graphql/src/test/java/org/springframework/graphql/server/webmvc/GraphQlHttpHandlerTests.java
@@ -80,6 +80,15 @@ void shouldSupportApplicationGraphQl() throws Exception {
 		assertThat(response.getContentAsString()).isEqualTo("{\"data\":{\"greeting\":\"Hello\"}}");
 	}
 
+	@Test
+	void shouldSupportApplicationGraphQlWithCharset() throws Exception {
+		MockHttpServletRequest request = createServletRequest("{ greeting }", "*/*");
+		request.setContentType("application/graphql;charset=UTF-8");
+
+		MockHttpServletResponse response = handleRequest(request, this.greetingHandler);
+		assertThat(response.getContentAsString()).isEqualTo("{\"data\":{\"greeting\":\"Hello\"}}");
+	}
+
 	@Test
 	void shouldProduceApplicationGraphQl() throws Exception {
 		MockHttpServletRequest request = createServletRequest("{ greeting }", MediaType.APPLICATION_GRAPHQL_RESPONSE_VALUE);