diff --git a/pwndbg/vmmap.py b/pwndbg/vmmap.py
index 9f7604c3b..456603b0e 100644
--- a/pwndbg/vmmap.py
+++ b/pwndbg/vmmap.py
@@ -212,7 +212,7 @@ def proc_pid_maps():
         try:
             inode, objfile = inode_objfile.split(None, 1)
         except:
-            objfile = 'anon_' + start[:-3]
+            objfile = '[anon_' + start[:-3] + ']'
 
         start  = int(start, 16)
         stop   = int(stop, 16)