diff --git a/include/asm-x86_64/apicdef.h b/include/asm-x86_64/apicdef.h
index 3d7627f..bfebdb6 100644
--- a/include/asm-x86_64/apicdef.h
+++ b/include/asm-x86_64/apicdef.h
@@ -112,7 +112,7 @@
 
 #define APIC_BASE (fix_to_virt(FIX_APIC_BASE))
 
-#define MAX_IO_APICS 32
+#define MAX_IO_APICS 128
 
 /*
  * All x86-64 systems are xAPIC compatible.