diff --git a/graphics/opengl/src/main/java/de/staropensource/sosengine/graphics/opengl/classes/Window.java b/graphics/opengl/src/main/java/de/staropensource/sosengine/graphics/opengl/classes/Window.java
index 97a9288..9874e9e 100644
--- a/graphics/opengl/src/main/java/de/staropensource/sosengine/graphics/opengl/classes/Window.java
+++ b/graphics/opengl/src/main/java/de/staropensource/sosengine/graphics/opengl/classes/Window.java
@@ -22,8 +22,11 @@ package de.staropensource.sosengine.graphics.opengl.classes;
 import de.staropensource.sosengine.base.classes.Vec2i;
 import de.staropensource.sosengine.base.logging.LoggerInstance;
 import de.staropensource.sosengine.base.types.LogIssuer;
+import de.staropensource.sosengine.graphics.events.GraphicsApiErrorEvent;
 import lombok.Getter;
 import org.jetbrains.annotations.NotNull;
+import org.lwjgl.opengl.GL;
+import org.lwjgl.system.MemoryUtil;
 
 import java.util.HashSet;
 import java.util.Set;
@@ -100,6 +103,14 @@ public class Window implements de.staropensource.sosengine.graphics.classes.Wind
         windowName = title;
         windowSize = size;
 
-        glfwCreateWindow(windowSize.getX(), windowSize.getY(), windowName, NULL, NULL);
+        long windowId = glfwCreateWindow(windowSize.getX(), windowSize.getY(), windowName, NULL, NULL);
+        if (windowId == NULL)
+            new GraphicsApiErrorEvent().callEvent("Unable to create window: ID is null");
+
+        glfwMakeContextCurrent(windowId);
+        glfwShowWindow(windowId);
+        GL.createCapabilities();
+        glfwSwapBuffers(windowId);
+        glfwPollEvents();
     }
 }