diff --git a/src/main/java/spoon/metamodel/Metamodel.java b/src/main/java/spoon/metamodel/Metamodel.java
index 6bc629d4b71..44e163887ea 100644
--- a/src/main/java/spoon/metamodel/Metamodel.java
+++ b/src/main/java/spoon/metamodel/Metamodel.java
@@ -400,9 +400,8 @@ private static Factory createFactory(File spoonJavaSourcesDirectory) {
 				"spoon/reflect/reference",
 				"spoon/support/reflect/declaration",
 				"spoon/support/reflect/code",
-				"spoon/support/reflect/reference").forEach(path -> {
-			launcher.addInputResource(new FileSystemFolder(new File(spoonJavaSourcesDirectory, path)));
-		});
+				"spoon/support/reflect/reference").forEach(path ->
+			launcher.addInputResource(new FileSystemFolder(new File(spoonJavaSourcesDirectory, path))));
 		launcher.buildModel();
 		return launcher.getFactory();
 	}