diff --git a/examples/c/distance_calibration.c b/examples/c/distance_calibration.c
index 14f8189..3c209c5 100644
--- a/examples/c/distance_calibration.c
+++ b/examples/c/distance_calibration.c
@@ -34,6 +34,7 @@
 
 #include "opencv2/core/core_c.h"
 #include "opencv2/highgui/highgui_c.h"
+#include "opencv2/imgcodecs/imgcodecs_c.h"
 
 #include "psmove.h"
 #include "psmove_tracker.h"
diff --git a/src/tracker/camera_control_private.h b/src/tracker/camera_control_private.h
index a4842b1..86aa8b7 100644
--- a/src/tracker/camera_control_private.h
+++ b/src/tracker/camera_control_private.h
@@ -33,6 +33,7 @@
 #include "opencv2/core/core_c.h"
 #include "opencv2/highgui/highgui_c.h"
 #include "opencv2/imgproc/imgproc_c.h"
+#include "opencv2/videoio/videoio_c.h"
 
 #if defined(WIN32)
 #    include <windows.h>