diff --git a/utils/upload/categories.go b/utils/upload/categories.go
new file mode 100644
index 00000000..47a6455b
--- /dev/null
+++ b/utils/upload/categories.go
@@ -0,0 +1,95 @@
+package upload
+
+import (
+	"fmt"
+
+	"github.com/NyaaPantsu/nyaa/config"
+	"github.com/NyaaPantsu/nyaa/models"
+)
+
+// Convert automatically our sukebei cats to platform specified Hentai cats
+var sukebeiCategories = []map[string]string{
+	ttosho: {
+		"1_1": "12",
+		"1_2": "12",
+		"1_3": "14",
+		"1_4": "13",
+		"1_5": "4",
+		"2_1": "4",
+		"2_2": "15",
+	},
+	nyaasi: {
+		"1_1": "1_1",
+		"1_2": "1_2",
+		"1_3": "1_3",
+		"1_4": "1_4",
+		"1_5": "1_5",
+		"2_1": "2_1",
+		"2_2": "2_2",
+	},
+}
+
+var normalCategories = []map[string]string{
+	ttosho: {
+		"3_12": "1",
+		"3_5":  "1",
+		"3_13": "10",
+		"3_6":  "7",
+		"2_3":  "2",
+		"2_4":  "2",
+		"4_7":  "3",
+		"4_8":  "7",
+		"4_14": "10",
+		"5_9":  "8",
+		"5_10": "8",
+		"5_18": "10",
+		"5_11": "7",
+		"6_15": "5",
+		"6_16": "5",
+		"1_1":  "5",
+		"1_2":  "5",
+	},
+	nyaasi: {
+		"3_12": "1_1",
+		"3_5":  "1_2",
+		"3_13": "1_3",
+		"3_6":  "1_4",
+		"2_3":  "2_1",
+		"2_4":  "2_2",
+		"4_7":  "3_1",
+		"4_8":  "3_4",
+		"4_14": "3_3",
+		"5_9":  "4_1",
+		"5_10": "4_2",
+		"5_18": "4_3",
+		"5_11": "4_4",
+		"6_15": "5_1",
+		"6_16": "5_2",
+		"1_1":  "6_1",
+		"1_2":  "6_2",
+	},
+}
+
+// Category returns the category converted from nyaa one to tosho one
+func Category(platform int, t *models.Torrent) string {
+	cat := fmt.Sprintf("%d_%d", t.Category, t.SubCategory)
+	// if we are in sukebei, there are some categories
+	if config.IsSukebei() {
+		// check that platform exist in our map for sukebei categories
+		if platform < len(sukebeiCategories) {
+			// return the remaped category if it exists
+			if val, ok := sukebeiCategories[platform][cat]; ok {
+				return val
+			}
+		}
+	}
+	// check that platform exist in our map
+	if platform >= len(normalCategories) {
+		return ""
+	}
+	// return the remaped category if it exists
+	if val, ok := normalCategories[platform][cat]; ok {
+		return val
+	}
+	return ""
+}
diff --git a/utils/upload/categories_test.go b/utils/upload/categories_test.go
new file mode 100644
index 00000000..cc37a676
--- /dev/null
+++ b/utils/upload/categories_test.go
@@ -0,0 +1,38 @@
+package upload
+
+import (
+	"testing"
+
+	"github.com/NyaaPantsu/nyaa/config"
+	"github.com/NyaaPantsu/nyaa/models"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestCategory(t *testing.T) {
+	assert := assert.New(t)
+	dummyTorrent := &models.Torrent{Category: 1, SubCategory: 1}
+	tests := []struct {
+		torrent  *models.Torrent
+		platform int
+		sukebei  bool
+		expected string
+	}{
+		{dummyTorrent, anidex, false, ""},
+		{dummyTorrent, ttosho, false, "5"},
+		{dummyTorrent, ttosho, true, "12"},
+		{dummyTorrent, nyaasi, false, "6_1"},
+		{dummyTorrent, nyaasi, true, "1_1"},
+		{dummyTorrent, 20, true, ""},
+		{&models.Torrent{Category: 33, SubCategory: 33}, nyaasi, true, ""},
+	}
+
+	for _, test := range tests {
+		if test.sukebei {
+			// workaround to make the function believe we are in sukebei
+			config.Get().Models.TorrentsTableName = "sukebei_torrents"
+		} else {
+			config.Get().Models.TorrentsTableName = "torrents"
+		}
+		assert.Equal(test.expected, Category(test.platform, test.torrent))
+	}
+}
diff --git a/utils/upload/multi.go b/utils/upload/multi.go
index ade23b7d..6df73215 100644
--- a/utils/upload/multi.go
+++ b/utils/upload/multi.go
@@ -16,7 +16,6 @@ import (
 	"github.com/NyaaPantsu/nyaa/models"
 	"github.com/NyaaPantsu/nyaa/utils/cache"
 	"github.com/NyaaPantsu/nyaa/utils/log"
-	"github.com/NyaaPantsu/nyaa/utils/upload/ttosho"
 )
 
 const (
@@ -151,7 +150,7 @@ func ToTTosho(apiKey string, torrent *models.Torrent) {
 		//Required
 		"apikey": apiKey,
 		"url":    torrent.Download(),
-		"type":   ttoshoConfig.Category(torrent),
+		"type":   Category(ttosho, torrent),
 		"send":   "true",
 
 		//Optional
diff --git a/utils/upload/ttosho/categories.go b/utils/upload/ttosho/categories.go
deleted file mode 100644
index 16383d00..00000000
--- a/utils/upload/ttosho/categories.go
+++ /dev/null
@@ -1,53 +0,0 @@
-package ttoshoConfig
-
-import (
-	"fmt"
-
-	"github.com/NyaaPantsu/nyaa/config"
-	"github.com/NyaaPantsu/nyaa/models"
-)
-
-// Convert automatically our sukebei cats to anidex Hentai cats
-var sukebeiCategories = map[string]string{
-	"1_1": "12",
-	"1_2": "12",
-	"1_3": "14",
-	"1_4": "13",
-	"1_5": "4",
-	"2_1": "4",
-	"2_2": "15",
-}
-
-var normalCategories = map[string]string{
-	"3_12": "1",
-	"3_5":  "1",
-	"3_13": "10",
-	"3_6":  "7",
-	"2_3":  "2",
-	"2_4":  "2",
-	"4_7":  "3",
-	"4_8":  "7",
-	"4_14": "10",
-	"5_9":  "8",
-	"5_10": "8",
-	"5_18": "10",
-	"5_11": "7",
-	"6_15": "5",
-	"6_16": "5",
-	"1_1":  "5",
-	"1_2":  "5",
-}
-
-// Category returns the category converted from nyaa one to tosho one
-func Category(t *models.Torrent) string {
-	cat := fmt.Sprintf("%d_%d", t.Category, t.SubCategory)
-	if config.IsSukebei() {
-		if val, ok := sukebeiCategories[cat]; ok {
-			return val
-		}
-	}
-	if val, ok := normalCategories[cat]; ok {
-		return val
-	}
-	return ""
-}