diff --git a/src/os/signal/signal_test.go b/src/os/signal/signal_test.go
index 7866aae..6cf05f5 100644
--- a/src/os/signal/signal_test.go
+++ b/src/os/signal/signal_test.go
@@ -10,6 +10,7 @@
 	"bytes"
 	"flag"
 	"fmt"
+	"internal/testenv"
 	"io/ioutil"
 	"os"
 	"os/exec"
@@ -313,6 +314,8 @@
 		t.Fatal("atomicStopTestProgram returned")
 	}
 
+	testenv.MustHaveExec(t)
+
 	const execs = 10
 	for i := 0; i < execs; i++ {
 		cmd := exec.Command(os.Args[0], "-test.run=TestAtomicStop")