diff --git a/hardware/libraries/Matrix/examples/hello_matrix/hello_matrix.pde b/hardware/libraries/Matrix/examples/hello_matrix/hello_matrix.pde
index b8e19713c..eafed3eaa 100644
--- a/hardware/libraries/Matrix/examples/hello_matrix/hello_matrix.pde
+++ b/hardware/libraries/Matrix/examples/hello_matrix/hello_matrix.pde
@@ -1,3 +1,5 @@
+#include <Matrix.h>
+
 // Hello Matrix
 // by Nicholas Zambetti <http://www.zambetti.com>
 
diff --git a/hardware/libraries/Matrix/examples/sprite_animation/sprite_animation.pde b/hardware/libraries/Matrix/examples/sprite_animation/sprite_animation.pde
index f6099fc7a..bf7c6f578 100644
--- a/hardware/libraries/Matrix/examples/sprite_animation/sprite_animation.pde
+++ b/hardware/libraries/Matrix/examples/sprite_animation/sprite_animation.pde
@@ -1,3 +1,6 @@
+#include <Sprite.h>
+#include <Matrix.h>
+
 // Sprite Animation
 // by Nicholas Zambetti <http://www.zambetti.com>