diff --git a/cpu/mips/incaip_clock.c b/cpu/mips/incaip_clock.c
index 65ee847..d0515ca 100644
--- a/cpu/mips/incaip_clock.c
+++ b/cpu/mips/incaip_clock.c
@@ -102,7 +102,7 @@
 	extern void ebu_init(long);
 	extern void cgu_init(long);
 	extern void sdram_init(long);
-	uchar tmp[64];
+	char tmp[64];
 	ulong cpuclk;
 
 	if (getenv_r ("cpuclk", tmp, sizeof (tmp)) > 0) {