diff --git a/frc971/vision/charuco_lib.h b/frc971/vision/charuco_lib.h
index 2f274bb..62923db 100644
--- a/frc971/vision/charuco_lib.h
+++ b/frc971/vision/charuco_lib.h
@@ -83,7 +83,8 @@
 enum class TargetType : uint8_t {
   kAruco = 0,
   kCharuco = 1,
-  kCharucoDiamond = 2
+  kCharucoDiamond = 2,
+  kAprilTag = 3
 };
 
 TargetType TargetTypeFromString(std::string_view str);