diff --git a/src/de/gurkenlabs/litiengine/GameFile.java b/src/de/gurkenlabs/litiengine/GameFile.java
index 41f2697f3..6e4fb409c 100644
--- a/src/de/gurkenlabs/litiengine/GameFile.java
+++ b/src/de/gurkenlabs/litiengine/GameFile.java
@@ -36,7 +36,7 @@
 @XmlRootElement(name = "game")
 public class GameFile implements Serializable {
   private static final Logger log = Logger.getLogger(GameFile.class.getName());
-  public static final String FILE_EXTENSION = "env";
+  public static final String FILE_EXTENSION = "ltx";
 
   private static final long serialVersionUID = -2101786184799276518L;
 
diff --git a/tests/de/gurkenlabs/core/AlignValignTests.java b/tests/de/gurkenlabs/litiengine/core/AlignValignTests.java
similarity index 94%
rename from tests/de/gurkenlabs/core/AlignValignTests.java
rename to tests/de/gurkenlabs/litiengine/core/AlignValignTests.java
index 0e296014d..08afe206d 100644
--- a/tests/de/gurkenlabs/core/AlignValignTests.java
+++ b/tests/de/gurkenlabs/litiengine/core/AlignValignTests.java
@@ -1,4 +1,4 @@
-package de.gurkenlabs.core;
+package de.gurkenlabs.litiengine.core;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;