diff --git a/core/src/processing/opengl/PGraphicsOpenGL.java b/core/src/processing/opengl/PGraphicsOpenGL.java
index 87baa96df..c925ee6de 100644
--- a/core/src/processing/opengl/PGraphicsOpenGL.java
+++ b/core/src/processing/opengl/PGraphicsOpenGL.java
@@ -572,6 +572,15 @@ public class PGraphicsOpenGL extends PGraphics {
   }
 
 
+  @Override
+  public void setParent(PApplet parent) {
+    super.setParent(parent);
+    if (pgl != null) {
+      pgl.sketch = parent;
+    }
+  }
+
+
   @Override
   public void setPrimary(boolean primary) {
     super.setPrimary(primary);