diff --git a/cmd/mtredisalize/changetracker.go b/cmd/mtredisalize/changetracker.go
index 87681c9..6819aee 100644
--- a/cmd/mtredisalize/changetracker.go
+++ b/cmd/mtredisalize/changetracker.go
@@ -64,8 +64,13 @@ func (ct *ChangeTracker) FlushChanges(url string) {
 			log.Printf("WARN: encode changes to JSON failed: %s\n", err)
 			return
 		}
-		if _, err = http.Post(
-			url, "application/json", bytes.NewBuffer(buf.Bytes())); err != nil {
+		var resp *http.Response
+		resp, err = http.Post(
+			url, "application/json", bytes.NewBuffer(buf.Bytes()))
+		if resp != nil {
+			defer resp.Body.Close()
+		}
+		if err != nil {
 			log.Printf("WARN: posting changes to %s failed: %s\n", url, err)
 		}
 	}()