diff --git a/gas/config/tc-msp430.h b/gas/config/tc-msp430.h
index 4a02452..86c9117 100644
--- a/gas/config/tc-msp430.h
+++ b/gas/config/tc-msp430.h
@@ -171,3 +171,5 @@ extern bfd_boolean msp430_allow_local_subtract (expressionS *, expressionS *, se
#define DWARF2_USE_FIXED_ADVANCE_PC 1
 
#define TC_LINKRELAX_FIXUP(seg) ((seg->flags & SEC_CODE) || (seg->flags & SEC_DEBUGGING))
+
+#define DWARF2_ADDR_SIZE(bfd) 4