diff --git a/byte-buddy-dep/src/test/java/net/bytebuddy/build/PluginEngineDefaultTest.java b/byte-buddy-dep/src/test/java/net/bytebuddy/build/PluginEngineDefaultTest.java
index 73b256b7f1..6b331e6014 100644
--- a/byte-buddy-dep/src/test/java/net/bytebuddy/build/PluginEngineDefaultTest.java
+++ b/byte-buddy-dep/src/test/java/net/bytebuddy/build/PluginEngineDefaultTest.java
@@ -223,7 +223,7 @@ public void testSimpleTransformationMultiRelease() throws Exception {
         Plugin plugin = eager
                 ? new SimplePlugin()
                 : new PreprocessingPlugin(new SimplePlugin());
-        Plugin.Engine.Source source = Plugin.Engine.Source.InMemory.ofTypes(Collections.emptyList(), Collections.singletonMap(
+        Plugin.Engine.Source source = Plugin.Engine.Source.InMemory.ofTypes(Collections.<Class<?>>emptyList(), Collections.<ClassFileVersion, Collection<Class<?>>>singletonMap(
             ClassFileVersion.JAVA_V11,
             Collections.singletonList(Sample.class)));
         Plugin.Engine.Target.InMemory target = new Plugin.Engine.Target.InMemory();