diff --git a/c/src/ChangeLog b/c/src/ChangeLog
index 655e9ac326..e0afbc8cd1 100644
--- a/c/src/ChangeLog
+++ b/c/src/ChangeLog
@@ -1,3 +1,8 @@
+2008-09-22	Joel Sherrill <joel.sherrill@OARcorp.com>
+
+	* libchip/serial/ns16550.c: Add not supported on arm even though it is
+	not simple vectored.
+
 2008-09-22	Joel Sherrill <joel.sherrill@OARcorp.com>
 
 	* libchip/serial/ns16550.c: Not currently supported on architectures
diff --git a/c/src/libchip/serial/ns16550.c b/c/src/libchip/serial/ns16550.c
index 8159dc6343..7892a65129 100644
--- a/c/src/libchip/serial/ns16550.c
+++ b/c/src/libchip/serial/ns16550.c
@@ -32,7 +32,7 @@
 
 #include "ns16550_p.h"
 
-#if !defined(CPU_SIMPLE_VECTORED_INTERRUPTS)
+#if !defined(CPU_SIMPLE_VECTORED_INTERRUPTS) &&!define(__arm__)
   #include <bsp/irq.h>
   #define NS16650_SUPPORTED
 #endif