diff --git a/system/discourse/api/categories.go b/system/discourse/api/categories.go
index c627f9c..387242a 100644
--- a/system/discourse/api/categories.go
+++ b/system/discourse/api/categories.go
@@ -51,7 +51,7 @@ type CategoryModel struct {
 	TopicsYear                   int             `json:"topics_year"`
 	TopicsAllTime                int             `json:"topics_all_time"`
 	IsUncategorized              bool            `json:"is_uncategorized"`
-	SubcategoryIDs               []string        `json:"subcategory_ids"`
+	SubcategoryIDs               []int           `json:"subcategory_ids"`
 	SubcategoryList              []CategoryModel `json:"subcategory_list"`
 	UploadedLogo                 string          `json:"uploaded_logo"`
 	UploadedLogoDark             string          `json:"uploaded_logo_dark"`
diff --git a/system/discourse/discourse.go b/system/discourse/discourse.go
index 0f9d6b2..2f85801 100644
--- a/system/discourse/discourse.go
+++ b/system/discourse/discourse.go
@@ -314,11 +314,6 @@ func (sys *System) CreateReply(r *reply.Reply) error {
 		return err
 	}
 
-	inReplyTo, err := strconv.Atoi(r.InReplyTo)
-	if err != nil {
-		return err
-	}
-
 	var ap api.CreatePostModel
 
 	if r.Index == -1 {
@@ -330,10 +325,15 @@ func (sys *System) CreateReply(r *reply.Reply) error {
 		}
 	} else {
 		// Apparently it's a reply to a comment in a post
+		inReplyTo, err := strconv.Atoi(r.InReplyTo)
+		if err != nil {
+			return err
+		}
+
 		ap = api.CreatePostModel{
 			Raw:               r.Body,
 			TopicID:           inReplyTo,
-			ReplyToPostNumber: r.Index,
+			ReplyToPostNumber: r.Index + 1,
 			CreatedAt:         time.Now().Format(time.RFC3339Nano),
 		}
 	}