diff --git a/src/arch/i386/include/arch/acpi.h b/src/arch/i386/include/arch/acpi.h
index e4e2a56c55..690270a1d9 100644
--- a/src/arch/i386/include/arch/acpi.h
+++ b/src/arch/i386/include/arch/acpi.h
@@ -17,6 +17,7 @@
 
 #if HAVE_ACPI_TABLES==1
 
+#include <stdint.h>
 typedef unsigned long long u64;
 
 #define RSDP_SIG              "RSD PTR "  /* RSDT Pointer signature */
diff --git a/src/southbridge/ricoh/rl5c476/rl5c476.h b/src/southbridge/ricoh/rl5c476/rl5c476.h
index 0ded3d5aa9..98fc95164b 100644
--- a/src/southbridge/ricoh/rl5c476/rl5c476.h
+++ b/src/southbridge/ricoh/rl5c476/rl5c476.h
@@ -21,7 +21,7 @@
  /* rl5c476 routines and defines*/
 
 
-typedef unsigned char u8;
+#include <stdint.h>
 
 
 /* the 16 bit control structure for ricoh cardbus bridge */