1 files changed, 1 insertions, 1 deletions
diff --git a/ports/AVR/chcore.h b/ports/AVR/chcore.h
index e41ec673f..90755cb4e 100644
--- a/ports/AVR/chcore.h
+++ b/ports/AVR/chcore.h
@@ -28,7 +28,6 @@
 #include <avr/io.h>
 #include <avr/interrupt.h>
 
-
 /*
  * Port-related configuration parameters.
  */
@@ -226,6 +225,7 @@ extern "C" {
   void sys_puts(char *msg);
   void sys_switch(Thread *otp, Thread *ntp);
   void sys_halt(void);
+  void threadstart(void);
 #ifdef __cplusplus
 }
 #endif