diff --git a/boards/telosb/include/board.h b/boards/telosb/include/board.h
index 9e94a5d3cb..94b508210b 100644
--- a/boards/telosb/include/board.h
+++ b/boards/telosb/include/board.h
@@ -30,8 +30,8 @@
 #define __MSP430F1611__
 #endif
 
-//MSB430 core
-#define MSP430_INITIAL_CPU_SPEED    8000000uL
+//TelosB core
+#define MSP430_INITIAL_CPU_SPEED    2457600uL
 #define F_CPU                       MSP430_INITIAL_CPU_SPEED
 #define F_RC_OSCILLATOR             32768
 #define MSP430_HAS_DCOR             0