1 files changed, 1 insertions, 1 deletions

diff --git a/pacman-c++/constants.h b/pacman-c++/constants.h
index 7ce26ad..a14e623 100644
--- a/pacman-c++/constants.h
+++ b/pacman-c++/constants.h
@@ -65,7 +65,7 @@ namespace Transmission
   const field_t direction_up    = (1 << 11);
   const field_t direction_down  = (1 << 12);
 
-  const mask_t color_mask = Color::none | Color::red | Color::blue | Color::green;
+  const mask_t color_mask = Color::none | Color::red | Color::blue | Color::green | Color::yellow;
   const mask_t type_mask = block | bonuspoint;
   const mask_t direction_mask = direction_none | direction_left | direction_right | direction_up | direction_down;