diff --git a/release-controller/mock_discourse.py b/release-controller/mock_discourse.py
index d9efa64a1..5f51231f2 100644
--- a/release-controller/mock_discourse.py
+++ b/release-controller/mock_discourse.py
@@ -1,3 +1,4 @@
+import re
 from pydiscourse import DiscourseClient
 
 
@@ -13,6 +14,18 @@ def __init__(self):
         self.api_key = "test_api_key"
         self.timeout = 10
 
+    def _get(self, path, **kwargs):
+        if not re.search(r"/t/(\d+).json", path):
+            return super()._get(path, **kwargs)
+        id = re.search(r"/t/(\d+).json", path).group(1)  # type: ignore
+
+        return {
+            "raw": "bogus text",
+            "can_edit": True,
+            "posts_count": 1,
+            "id": id,
+        } | self.topic_posts(topic_id=id)
+
     def categories(self, **kwargs):  # pylint: disable=unused-argument
         """Return a list of categories."""
         return [
@@ -33,7 +46,10 @@ def categories(self, **kwargs):  # pylint: disable=unused-argument
 
     def topics_by(self, _: str):
         """Return a list of topics."""
-        return [{"id": i + 1} | t for i, t in enumerate(self.created_topics)]
+        return [
+            {"id": i + 1, "posts_count": 1} | t
+            for i, t in enumerate(self.created_topics)
+        ]
 
     def topic_posts(self, topic_id: str):
         """Return a list of posts in a topic."""
@@ -44,7 +60,7 @@ def topic_posts(self, topic_id: str):
                     for p in [
                         {"id": i + 1} | p for i, p in enumerate(self.created_posts)
                     ]
-                    if p["topic_id"] == topic_id
+                    if str(p["topic_id"]) == str(topic_id)
                 ]
             }
         }