diff --git a/main.go b/main.go
index 9ae6c5e..d7df0b9 100644
--- a/main.go
+++ b/main.go
@@ -52,7 +52,7 @@ func main() {
 			log.Fatal("failed listbucket: ", err)
 		return
 		}
-		fmt.Printf("listbuckets,%v\n", elapsed)
+		fmt.Printf("listbuckets,%v\n", elapsed.Milliseconds())
 	}
 
 	for i := 0; i < 100; i++ {
@@ -65,7 +65,7 @@ func main() {
 			log.Fatal("failed putObject: ",err)
 			return
 		}
-		fmt.Printf("putobject,%v\n", elapsed)
+		fmt.Printf("putobject,%v\n", elapsed.Milliseconds())
 	}
 
 	for i := 0; i < 100; i++ {
@@ -83,7 +83,7 @@ func main() {
 			}
 		}
 		elapsed := time.Since(start)
-		fmt.Printf("listobjects,%v\n", elapsed)
+		fmt.Printf("listobjects,%v\n", elapsed.Milliseconds())
 	}
 
 	for i := 0; i < 100; i++ {
@@ -99,7 +99,7 @@ func main() {
 			return
 		}
 		elapsed := time.Since(start)
-		fmt.Printf("getobject,%v\n", elapsed)
+		fmt.Printf("getobject,%v\n", elapsed.Milliseconds)
 	}
 
 	for i := 0; i < 100; i++ {
@@ -111,6 +111,6 @@ func main() {
 			log.Fatal(err)
 			return
 		}
-		fmt.Printf("removeobject,%v\n", elapsed)
+		fmt.Printf("removeobject,%v\n", elapsed.Milliseconds())
 	}
 }