diff --git a/platform/msb430/dev/msb430-uart1.c b/platform/msb430/dev/msb430-uart1.c
index 106772091..e1ff5057b 100644
--- a/platform/msb430/dev/msb430-uart1.c
+++ b/platform/msb430/dev/msb430-uart1.c
@@ -62,8 +62,8 @@ Berlin, 2007
 #define U1ME	ME2
 #endif
 
-static volatile unsigned char uart_mode = UART_MODE_RESET;
-static volatile unsigned char uart_lockcnt = 0;
+volatile unsigned char uart_mode = UART_MODE_RESET;
+volatile unsigned char uart_lockcnt = 0;
 volatile uint8_t uart_edge = 0;
 
 static unsigned char uart_speed_br0[UART_NUM_MODES];