diff --git a/integration-cli/docker_cli_exec_test.go b/integration-cli/docker_cli_exec_test.go
index 0b8af53569..0635c263d5 100644
--- a/integration-cli/docker_cli_exec_test.go
+++ b/integration-cli/docker_cli_exec_test.go
@@ -424,7 +424,7 @@ func TestExecCgroup(t *testing.T) {
 	for i := 0; i < 5; i++ {
 		wg.Add(1)
 		go func() {
-			cmd = exec.Command(dockerBinary, "exec", "testing", "cat", "/proc/self/cgroup")
+			cmd := exec.Command(dockerBinary, "exec", "testing", "cat", "/proc/self/cgroup")
 			out, _, err := runCommandWithOutput(cmd)
 			if err != nil {
 				t.Fatal(out, err)