diff --git a/BaS_gcc/sources/sysinit.c b/BaS_gcc/sources/sysinit.c
index 9622aa7..239bcca 100644
--- a/BaS_gcc/sources/sysinit.c
+++ b/BaS_gcc/sources/sysinit.c
@@ -359,7 +359,7 @@ void init_fbcs()
 
 void wait_pll(void)
 {
-	uint32_t trgt = MCF_SLT0_SCNT - 100000;
+	int32_t trgt = MCF_SLT0_SCNT - 100000;
 	do
 	{
 		;