diff --git a/gossamer_forums.rb b/gossamer_forums.rb
index 52722a6..3e24d9e 100644
--- a/gossamer_forums.rb
+++ b/gossamer_forums.rb
@@ -1,7 +1,7 @@
 # Federated Computer, Inc.
 # David Sainty <saint@federated.computer>  2024 A.D.
 # Gossamer Threads to Discourse -- Migration-Import Script
-# v0.39.6 Fixes/tweaks in calculate_dynamic_pool_size
+# v0.39.7 Fixes/tweaks in calculate_dynamic_pool_size
 
 require 'mysql2'
 require 'open-uri'
@@ -1058,9 +1058,13 @@ class GossamerForumsImporter < ImportScripts::Base
 
   def threaded_topic_import
     # Get list of TOPICS / OP posts, i.e. post ids that have no parent / root id - SELECT post_id FROM gforum_Post WHERE post_root_id = 0;
+
     # The query selects post_ids from gforum_Post where post_root_id is 0, meaning these posts are the topic starters (OPs).
-    # It also ensures that we only process posts with a post_id greater than the last processed one, allowing for resumption.
-    parent_post_ids = execute_query("SELECT post_id FROM gforum_Post WHERE post_root_id = 0 ORDER BY post_id ASC")
+    # Execute the query and fetch the result
+    result = execute_query("SELECT post_id FROM gforum_Post WHERE post_root_id = 0 ORDER BY post_id ASC")
+
+    # Convert the result set to an array of post_ids
+    parent_post_ids = result.map { |row| row['post_id'] }
 
     parent_post_count = parent_post_ids.count
     batch_size = 100 # Set our batch size for number of posts to import in a single batch