1 files changed, 1 insertions, 1 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java b/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java
index 38dd71f5e..a080a7045 100644
--- a/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java
+++ b/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java
@@ -423,7 +423,7 @@ public class GLCanvas extends Canvas implements GLAutoDrawable {
    
    /** assumes drawable == null ! */
    protected final boolean validateDrawableAndContext() {
-      if( GLCanvas.this.isDisposed() ) {
+      if( isDisposed() || !isVisible() ) {
           return false;
       }
       final Rectangle nClientArea = clientArea;