diff --git a/db/fixtures/500_lounge_category.rb b/db/fixtures/500_lounge_category.rb
index a711f3a21b6..469a29a4a13 100644
--- a/db/fixtures/500_lounge_category.rb
+++ b/db/fixtures/500_lounge_category.rb
@@ -5,36 +5,38 @@ unless Rails.env.test?
     # The category for users with trust level 3 has been created.
     # Add permissions and a description to it.
 
-    lounge.group_names = ['trust_level_3']
-    unless lounge.save
-      puts lounge.errors.full_messages
-      raise "Failed to set permissions on trust level 3 lounge category!"
-    end
-
-    if lounge.topic_id.nil?
-      creator = PostCreator.new(Discourse.system_user,
-        raw: I18n.t('vip_category_description'),
-        title: I18n.t('category.topic_prefix', category: lounge.name),
-        category: lounge.name,
-        archetype: Archetype.default,
-        skip_validations: true
-      )
-      post = creator.create
-
-      unless post && post.id
-        puts post.errors.full_messages if post
-        puts creator.errors.inspect
-        raise "Failed to create description for trust level 3 lounge!"
-      end
-
-      lounge.topic_id = post.topic.id
+    Category.transaction do
+      lounge.group_names = ['trust_level_3']
       unless lounge.save
         puts lounge.errors.full_messages
-        puts "Failed to set the lounge description topic!"
+        raise "Failed to set permissions on trust level 3 lounge category!"
       end
 
-      # Reset topic count because we don't count the description topic
-      Category.exec_sql "UPDATE categories SET topic_count = 0 WHERE id = #{lounge.id}"
+      if lounge.topic_id.nil?
+        creator = PostCreator.new(Discourse.system_user,
+          raw: I18n.t('vip_category_description'),
+          title: I18n.t('category.topic_prefix', category: lounge.name),
+          category: lounge.name,
+          archetype: Archetype.default,
+          skip_validations: true
+        )
+        post = creator.create
+
+        unless post && post.id
+          puts post.errors.full_messages if post
+          puts creator.errors.inspect
+          raise "Failed to create description for trust level 3 lounge!"
+        end
+
+        lounge.topic_id = post.topic.id
+        unless lounge.save
+          puts lounge.errors.full_messages
+          puts "Failed to set the lounge description topic!"
+        end
+
+        # Reset topic count because we don't count the description topic
+        Category.exec_sql "UPDATE categories SET topic_count = 0 WHERE id = #{lounge.id}"
+      end
     end
   end
 end
diff --git a/db/fixtures/501_meta_category.rb b/db/fixtures/501_meta_category.rb
index d8b0b9724e5..a0827c60239 100644
--- a/db/fixtures/501_meta_category.rb
+++ b/db/fixtures/501_meta_category.rb
@@ -2,28 +2,30 @@ unless Rails.env.test?
   meta = Category.where(id: SiteSetting.meta_category_id).first
   if meta && !meta.topic_id
 
-    creator = PostCreator.new(Discourse.system_user,
-      raw: I18n.t('meta_category_description'),
-      title: I18n.t('category.topic_prefix', category: meta.name),
-      category: meta.name,
-      archetype: Archetype.default
-    )
-    post = creator.create
+    Category.transaction do
+      creator = PostCreator.new(Discourse.system_user,
+        raw: I18n.t('meta_category_description'),
+        title: I18n.t('category.topic_prefix', category: meta.name),
+        category: meta.name,
+        archetype: Archetype.default
+      )
+      post = creator.create
 
-    unless post && post.id
-      puts post.errors.full_messages if post
-      puts creator.errors.inspect
-      raise "Failed meta topic"
+      unless post && post.id
+        puts post.errors.full_messages if post
+        puts creator.errors.inspect
+        raise "Failed meta topic"
+      end
+
+      meta.set_permissions(:everyone => :full)
+      meta.topic_id = post.topic.id
+      unless meta.save
+        puts meta.errors.full_messages
+        puts "Failed to set the meta description and permission!"
+      end
+
+      # Reset topic count because we don't count the description topic
+      Category.exec_sql "UPDATE categories SET topic_count = 0 WHERE id = #{meta.id}"
     end
-
-    meta.set_permissions(:everyone => :full)
-    meta.topic_id = post.topic.id
-    unless meta.save
-      puts meta.errors.full_messages
-      puts "Failed to set the meta description and permission!"
-    end
-
-    # Reset topic count because we don't count the description topic
-    Category.exec_sql "UPDATE categories SET topic_count = 0 WHERE id = #{meta.id}"
   end
 end
diff --git a/db/fixtures/502_staff_category.rb b/db/fixtures/502_staff_category.rb
index 96ce5650ace..116a13dfba3 100644
--- a/db/fixtures/502_staff_category.rb
+++ b/db/fixtures/502_staff_category.rb
@@ -4,35 +4,37 @@ unless Rails.env.test?
 
     # Add permissions and a description to the Staff category.
 
-    staff.group_names = ['staff']
-    unless staff.save
-      puts staff.errors.full_messages
-      raise "Failed to set permissions on the Staff category!"
-    end
-
-    if staff.topic_id.nil?
-      creator = PostCreator.new(Discourse.system_user,
-        raw: I18n.t('staff_category_description'),
-        title: I18n.t('category.topic_prefix', category: staff.name),
-        category: staff.name,
-        archetype: Archetype.default
-      )
-      post = creator.create
-
-      unless post && post.id
-        puts post.errors.full_messages if post
-        puts creator.errors.inspect
-        raise "Failed to create description for Staff category!"
-      end
-
-      staff.topic_id = post.topic.id
+    Category.transaction do
+      staff.group_names = ['staff']
       unless staff.save
         puts staff.errors.full_messages
-        puts "Failed to set the Staff category description topic!"
+        raise "Failed to set permissions on the Staff category!"
       end
 
-      # Reset topic count because we don't count the description topic
-      Category.exec_sql "UPDATE categories SET topic_count = 0 WHERE id = #{staff.id}"
+      if staff.topic_id.nil?
+        creator = PostCreator.new(Discourse.system_user,
+          raw: I18n.t('staff_category_description'),
+          title: I18n.t('category.topic_prefix', category: staff.name),
+          category: staff.name,
+          archetype: Archetype.default
+        )
+        post = creator.create
+
+        unless post && post.id
+          puts post.errors.full_messages if post
+          puts creator.errors.inspect
+          raise "Failed to create description for Staff category!"
+        end
+
+        staff.topic_id = post.topic.id
+        unless staff.save
+          puts staff.errors.full_messages
+          puts "Failed to set the Staff category description topic!"
+        end
+
+        # Reset topic count because we don't count the description topic
+        Category.exec_sql "UPDATE categories SET topic_count = 0 WHERE id = #{staff.id}"
+      end
     end
   end
 end