diff --git a/cmd/gol/gol.go b/cmd/gol/gol.go
index ded3f7f..4c52030 100644
--- a/cmd/gol/gol.go
+++ b/cmd/gol/gol.go
@@ -2,14 +2,15 @@ package main
 
 import (
 	"flag"
-	"go.ar76.eu/arek/gol/gol"
-	"go.ar76.eu/arek/gol/term"
 	"log"
 	"os"
 	"os/signal"
 	"runtime/pprof"
 	"syscall"
 	"time"
+
+	"go.ar76.eu/arek/gol/gol"
+	"go.ar76.eu/arek/gol/term"
 )
 
 func main() {
diff --git a/gol/arena.go b/gol/arena.go
index 1219001..0574eec 100644
--- a/gol/arena.go
+++ b/gol/arena.go
@@ -9,7 +9,7 @@ import (
 type Arena [][]bool
 
 func New(ysize, xsize int) Arena {
-	var arena = make([][]bool, ysize)
+	arena := make([][]bool, ysize)
 	for i := range ysize {
 		arena[i] = make([]bool, xsize)
 	}