diff --git a/android/examples/OpenGL/Performance/CubicGridImmediate/CubicGridImmediate.pde b/android/examples/OpenGL/Performance/CubicGridImmediate/CubicGridImmediate.pde
index 18ac2bf62..7df929a86 100644
--- a/android/examples/OpenGL/Performance/CubicGridImmediate/CubicGridImmediate.pde
+++ b/android/examples/OpenGL/Performance/CubicGridImmediate/CubicGridImmediate.pde
@@ -50,6 +50,8 @@ void draw() {
   }
   popMatrix();
   
+  hint(ENABLE_DEPTH_TEST);
+  
   fcount += 1;
   int m = millis();
   if (m - lastm > 1000 * fint) {
diff --git a/android/examples/OpenGL/Performance/CubicGridRetained/CubicGridRetained.pde b/android/examples/OpenGL/Performance/CubicGridRetained/CubicGridRetained.pde
index 63b54809e..5caf462a2 100644
--- a/android/examples/OpenGL/Performance/CubicGridRetained/CubicGridRetained.pde
+++ b/android/examples/OpenGL/Performance/CubicGridRetained/CubicGridRetained.pde
@@ -99,6 +99,8 @@ void draw() {
   shape(grid);
   popMatrix();
   
+  hint(ENABLE_DEPTH_TEST);
+  
   fcount += 1;
   int m = millis();
   if (m - lastm > 1000 * fint) {