diff --git a/protocol/pjrc/main.c b/protocol/pjrc/main.c
index 5f15dbf892c..1ef87f8651c 100644
--- a/protocol/pjrc/main.c
+++ b/protocol/pjrc/main.c
@@ -30,6 +30,7 @@
 #include "matrix.h"
 #include "print.h"
 #include "debug.h"
+#include "sendchar.h"
 #include "util.h"
 #include "suspend.h"
 #include "host.h"
@@ -50,6 +51,8 @@ int main(void)
     usb_init();
     while (!usb_configured()) /* wait */ ;
 
+    print_set_sendchar(sendchar);
+
     keyboard_init();
     host_set_driver(pjrc_driver());
 #ifdef SLEEP_LED_ENABLE
diff --git a/protocol/pjrc/usb.c b/protocol/pjrc/usb.c
index 902f9f7f774..84c99972f20 100644
--- a/protocol/pjrc/usb.c
+++ b/protocol/pjrc/usb.c
@@ -38,6 +38,7 @@
 #include "sleep_led.h"
 #endif
 #include "suspend.h"
+#include "action_util.h"
 
 
 /**************************************************************************