diff --git a/src/mips/Gcreate_addr_space.c b/src/mips/Gcreate_addr_space.c
index 4dae606..60cbb81 100644
--- a/src/mips/Gcreate_addr_space.c
+++ b/src/mips/Gcreate_addr_space.c
@@ -59,10 +59,11 @@
 
 #if _MIPS_SIM == _ABIO32
   as->abi = UNW_MIPS_ABI_O32;
+  as->addr_size = 4;
 #else
   as->abi = UNW_MIPS_ABI_N64;
+  as->addr_size = 8;
 #endif
-  as->addr_size = 4;
 
   return as;
 #endif