diff --git a/ports/ARM7-LPC214x/GCC/crt0.s b/ports/ARM7-LPC214x/GCC/crt0.s
index 27e2eefcf..d501770c8 100644
--- a/ports/ARM7-LPC214x/GCC/crt0.s
+++ b/ports/ARM7-LPC214x/GCC/crt0.s
@@ -62,6 +62,7 @@ _fiq:
         .word   FiqHandler
         .word   0
         .word   0
+        .word   0
 
 /*
  * Reset handler.