diff --git a/base/src/test/java/de/staropensource/sosengine/base/srctests/TestBase.java b/base/src/test/java/de/staropensource/sosengine/base/srctests/TestBase.java
index 74e4dca8..4ad77666 100644
--- a/base/src/test/java/de/staropensource/sosengine/base/srctests/TestBase.java
+++ b/base/src/test/java/de/staropensource/sosengine/base/srctests/TestBase.java
@@ -20,8 +20,10 @@
 package de.staropensource.sosengine.base.srctests;
 
 import de.staropensource.sosengine.base.Engine;
+import de.staropensource.sosengine.base.EngineInternals;
 import de.staropensource.sosengine.unittests.UnitLogger;
 import lombok.Getter;
+import org.junit.jupiter.api.AfterAll;
 import org.junit.jupiter.api.BeforeEach;
 
 import java.util.Locale;
@@ -92,7 +94,18 @@ public class TestBase {
      */
     @BeforeEach
     void initializeEngine() {
-        if (doInitialization && Engine.getInstance() == null)
+        if (doInitialization && Engine.getInstance() == null) {
             new Engine();
+            EngineInternals.getInstance().setShutdownHandler(exitCode -> {});
+        }
+    }
+
+    /**
+     * Shuts the engine down after running tests.
+     */
+    @AfterAll
+    static void shutdownEngine() {
+        if (Engine.getInstance() != null)
+            Engine.getInstance().shutdown();
     }
 }