diff --git a/libs/pigment/tests/TestColorBlending.cpp b/libs/pigment/tests/TestColorBlending.cpp
index 1c6e6bd..d03e1a6 100644
--- a/libs/pigment/tests/TestColorBlending.cpp
+++ b/libs/pigment/tests/TestColorBlending.cpp
@@ -10,8 +10,12 @@ void TestColorBlending::test()
     //w.show();
     //QApplication app();
 
-    TestColorBlendingWindow *demo = new TestColorBlendingWindow;
+    QEventLoop loop;
+
+    TestColorBlendingWindow *demo = new TestColorBlendingWindow();
     demo->show();
+
+    loop.exec();
     //demo->exec();
 }