2 files changed, 2 insertions, 2 deletions
diff --git a/src/sys/timer.c b/src/sys/timer.c
index f4013d4..9df7b33 100644
--- a/src/sys/timer.c
+++ b/src/sys/timer.c
@@ -5,7 +5,7 @@
 #include "../drivers/uart.a.h"
 #include "../drivers/uart.h"
 
-#define TIMER_C
+#define SYS_TIMER_C
 extern char* os_info_v;
 
 unsigned long exe_cnt = 0;
diff --git a/src/sys/timer.h b/src/sys/timer.h
index 4774ed4..76fc015 100644
--- a/src/sys/timer.h
+++ b/src/sys/timer.h
@@ -1,7 +1,7 @@
 #ifndef SYS_TIMER_H
 #define SYS_TIMER_H
 
-#ifndef TIMER_C
+#ifndef SYS_TIMER_C
 extern struct Mutex exe_cnt_m;
 #endif