diff --git a/drivers/base/resource.c b/drivers/base/resource.c
index 347b2f0..9844d1a 100644
--- a/drivers/base/resource.c
+++ b/drivers/base/resource.c
@@ -113,7 +113,7 @@
 
 	res = xzalloc(sizeof(struct resource) * 2);
 	res[0].start = hccr;
-	res[0].size = 0x40;
+	res[0].size = 0x10;
 	res[0].flags = IORESOURCE_MEM;
 	res[1].start = hcor;
 	res[1].size = 0xc0;