diff --git a/http-core/src/main/mima-filters/1.2.x.backwards.excludes/add-future-await-result-anyval.excludes b/http-core/src/main/mima-filters/1.2.x.backwards.excludes/add-future-await-result-anyval.excludes
new file mode 100644
index 0000000000..6161fd5251
--- /dev/null
+++ b/http-core/src/main/mima-filters/1.2.x.backwards.excludes/add-future-await-result-anyval.excludes
@@ -0,0 +1,19 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+# Make AddFutureAwaitResult an AnyVal
+ProblemFilters.exclude[IncompatibleResultTypeProblem]("org.apache.pekko.http.impl.util.package.AddFutureAwaitResult")
diff --git a/http-core/src/main/scala/org/apache/pekko/http/impl/util/package.scala b/http-core/src/main/scala/org/apache/pekko/http/impl/util/package.scala
index bfbe15e09b..3c2273d8a7 100644
--- a/http-core/src/main/scala/org/apache/pekko/http/impl/util/package.scala
+++ b/http-core/src/main/scala/org/apache/pekko/http/impl/util/package.scala
@@ -68,7 +68,7 @@ package object util {
   private[http] def installEventStreamLoggerFor[T](implicit ct: ClassTag[T], system: ActorSystem): Unit =
     installEventStreamLoggerFor(ct.runtimeClass)
 
-  private[http] implicit class AddFutureAwaitResult[T](future: Future[T]) {
+  private[http] implicit class AddFutureAwaitResult[T](val future: Future[T]) extends AnyVal {
 
     /** "Safe" Await.result that doesn't throw away half of the stacktrace */
     def awaitResult(atMost: Duration): T = {