diff --git a/capa/features/address.py b/capa/features/address.py
index 53e90682..b0c90c2c 100644
--- a/capa/features/address.py
+++ b/capa/features/address.py
@@ -27,6 +27,9 @@ class AbsoluteVirtualAddress(int, Address):
         assert v >= 0
         return int.__new__(cls, v)
 
+    def __str__(self):
+        return str(self)
+
 
 class RelativeVirtualAddress(int, Address):
     """a memory address relative to a base address"""
@@ -41,6 +44,9 @@ class FileOffsetAddress(int, Address):
         assert v >= 0
         return int.__new__(cls, v)
 
+    def __str__(self):
+        return str(self)
+
 
 class DNTokenAddress(Address):
     """a .NET token"""