diff --git a/apps/patchwork/bin/pwclient b/apps/patchwork/bin/pwclient
index 27bfdb3..8cccd3c 100755
--- a/apps/patchwork/bin/pwclient
+++ b/apps/patchwork/bin/pwclient
@@ -160,7 +160,7 @@ def usage():
     sys.stderr.write("""\nFilter options for 'list' and 'search':
         -s <state>    : Filter by patch state (e.g., 'New', 'Accepted', etc.)
         -p <project>  : Filter by project name (see 'projects' for list)
-        -w <who>      : Filter by submitter (name, e-mail substring search)
+        -w <who>      : Filter by submitter (name, e-mail substring, or ID)
         -d <who>      : Filter by delegate (name, e-mail substring search)
         -n <max #>    : Restrict number of results
         -m <messageid>: Filter by Message-Id\n""")
@@ -190,10 +190,17 @@ def state_id_by_name(rpc, name):
     return 0
 
 def person_ids_by_name(rpc, name):
-    """Given a partial name or email address, return a list of the
-    person IDs that match."""
+    """Given a partial name, email address, or submitter ID, return a list
+    of the person IDs that match."""
     if len(name) == 0:
         return []
+
+    # If the ID is an int then assume it's a submitter ID.
+    try:
+        return [ int(name) ]
+    except ValueError:
+        pass
+
     people = rpc.person_list(name, 0)
     return map(lambda x: x['id'], people)