diff --git a/changelog.d/8410.bugfix b/changelog.d/8410.bugfix
new file mode 100644
index 000000000000..3296929da767
--- /dev/null
+++ b/changelog.d/8410.bugfix
@@ -0,0 +1 @@
+Fix `synapse_port_db` script regression from 1.20.0.
diff --git a/scripts/synapse_port_db b/scripts/synapse_port_db
index 684a518b8e5f..ae2887b7d2f4 100755
--- a/scripts/synapse_port_db
+++ b/scripts/synapse_port_db
@@ -145,6 +145,7 @@ IGNORED_TABLES = {
     # the sessions are transient anyway, so ignore them.
     "ui_auth_sessions",
     "ui_auth_sessions_credentials",
+    "ui_auth_sessions_ips",
 }