diff --git a/lib/discourse_translator/automatic_translations.rb b/lib/discourse_translator/automatic_translations.rb
index c08f8735..0a20af0a 100644
--- a/lib/discourse_translator/automatic_translations.rb
+++ b/lib/discourse_translator/automatic_translations.rb
@@ -30,9 +30,9 @@ def translatable?(content)
 
       public_categories = Category.where(read_restricted: false).pluck(:id)
 
-      if content.is_a(Post)
+      if content.is_a?(Post)
         public_categories.include?(content.topic.category_id)
-      elsif content.is_a(Topic)
+      elsif content.is_a?(Topic)
         public_categories.include?(content.category_id)
       else
         false