diff --git a/libcontainer/integration/execin_test.go b/libcontainer/integration/execin_test.go
index 174b5f06..f25ef357 100644
--- a/libcontainer/integration/execin_test.go
+++ b/libcontainer/integration/execin_test.go
@@ -61,6 +61,9 @@ func TestExecIn(t *testing.T) {
 	if !strings.Contains(out, "cat") || !strings.Contains(out, "ps") {
 		t.Fatalf("unexpected running process, output %q", out)
 	}
+	if strings.Contains(out, "\r") {
+		t.Fatalf("unexpected carriage-return in output")
+	}
 }
 
 func TestExecInUsernsRlimit(t *testing.T) {
@@ -296,9 +299,12 @@ func TestExecInTTY(t *testing.T) {
 	waitProcess(process, t)
 
 	out := stdout.String()
-	if !strings.Contains(out, "cat") || !strings.Contains(string(out), "ps") {
+	if !strings.Contains(out, "cat") || !strings.Contains(out, "ps") {
 		t.Fatalf("unexpected running process, output %q", out)
 	}
+	if strings.Contains(out, "\r") {
+		t.Fatalf("unexpected carriage-return in output")
+	}
 }
 
 func TestExecInEnvironment(t *testing.T) {