diff --git a/MAINTAINERS b/MAINTAINERS
index d1782b4864..58f833c149 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -408,6 +408,10 @@ John Zhan <zhanz@sinovee.com>
 
 	svm_sc8xx		MPC8xx
 
+Guennadi Liakhovetski <g.liakhovetski@gmx.de>
+
+	linkstation		MPC8241
+
 -------------------------------------------------------------------------
 
 Unknown / orphaned boards:
diff --git a/board/linkstation/hwctl.c b/board/linkstation/hwctl.c
index 9db128a83f..2e5b5c83ac 100644
--- a/board/linkstation/hwctl.c
+++ b/board/linkstation/hwctl.c
@@ -27,7 +27,7 @@
 /*--------------------------------------------------------------*/
 static inline void miconCntl_SendUart(unsigned char dat)
 {
-	out_8((char *)AVR_PORT, dat);
+	out_8((unsigned char *)AVR_PORT, dat);
 	mdelay(1);
 }