diff --git a/src/dev/arm/SMMUv3.py b/src/dev/arm/SMMUv3.py
index 3c32508..0126c2b 100644
--- a/src/dev/arm/SMMUv3.py
+++ b/src/dev/arm/SMMUv3.py
@@ -40,7 +40,7 @@
 from m5.proxy import *
 from m5.util.fdthelper import *
 from m5.SimObject import *
-from MemObject import MemObject
+from m5.objects.MemObject import MemObject
 
 class SMMUv3SlaveInterface(MemObject):
     type = 'SMMUv3SlaveInterface'