diff --git a/common/basetilecreator.go b/common/basetilecreator.go
index 0e7ffca..83fb8a2 100644
--- a/common/basetilecreator.go
+++ b/common/basetilecreator.go
@@ -5,7 +5,6 @@
 package common
 
 import (
-	"fmt"
 	"image/color"
 	"log"
 	"path/filepath"
@@ -121,7 +120,7 @@ func (btc *BaseTileCreator) CreateTile(x, z int16, i, j int) error {
 		16, 16, (tileWidth-2)*16, (tileHeight-2)*16,
 		btc.colors, color.RGBA{R: 0xff, G: 0xff, B: 0xff, A: 0xff})
 
-	path := filepath.Join(btc.baseDir, strconv.Itoa(i), fmt.Sprintf("%d.png", j))
+	path := filepath.Join(btc.baseDir, strconv.Itoa(i), strconv.Itoa(j)+".png")
 
 	log.Printf("Writing (%d, %d) to file %s\n", x, z, path)