diff --git a/Makefile b/Makefile
index d27d97e..1150666 100644
--- a/Makefile
+++ b/Makefile
@@ -38,6 +38,7 @@ endif
 
 INCLUDE=-Iinclude
 CFLAGS=	-Wall \
+        -O2 \
 	-fomit-frame-pointer \
 	-ffreestanding \
 	-fleading-underscore \
diff --git a/pci/pci.c b/pci/pci.c
index 39dc6de..cbd9fbf 100644
--- a/pci/pci.c
+++ b/pci/pci.c
@@ -26,6 +26,7 @@
 
 #include <MCF5475.h>
 #include "pci.h"
+#include "pci_errata.h"
 #include "bas_types.h"
 #include "bas_printf.h"
 #include "bas_string.h"