1 files changed, 4 insertions, 1 deletions
diff --git a/src/jogl/classes/jogamp/opengl/macosx/cgl/MacOSXCGLContext.java b/src/jogl/classes/jogamp/opengl/macosx/cgl/MacOSXCGLContext.java
index 838a0387d..0deaa2987 100644
--- a/src/jogl/classes/jogamp/opengl/macosx/cgl/MacOSXCGLContext.java
+++ b/src/jogl/classes/jogamp/opengl/macosx/cgl/MacOSXCGLContext.java
@@ -709,7 +709,10 @@ public abstract class MacOSXCGLContext extends GLContextImpl
                       // still having a valid OLS attached to surface (parent OLS could have been removed)
                       ols.detachSurfaceLayer();
                   }
-                  CGL.releaseNSOpenGLLayer(nsOpenGLLayer);
+                  OSXUtil.RunOnMainThread(true, new Runnable() {
+                      public void run() {
+                          CGL.releaseNSOpenGLLayer(nsOpenGLLayer);
+                      } } );                  
                   if( null != gl3ShaderProgram ) {
                       gl3ShaderProgram.destroy(MacOSXCGLContext.this.gl.getGL3());
                       gl3ShaderProgram = null;