3 files changed, 6 insertions, 6 deletions
diff --git a/src/syscall/exec_unix_test.go b/src/syscall/exec_unix_test.go
index fda9019e39..3a95356c1e 100644
--- a/src/syscall/exec_unix_test.go
+++ b/src/syscall/exec_unix_test.go
@@ -302,8 +302,7 @@ func TestInvalidExec(t *testing.T) {
 
 // TestExec is for issue #41702.
 func TestExec(t *testing.T) {
-	testenv.MustHaveExec(t)
-	cmd := exec.Command(os.Args[0], "-test.run=^TestExecHelper$")
+	cmd := exec.Command(testenv.Executable(t), "-test.run=^TestExecHelper$")
 	cmd.Env = append(os.Environ(), "GO_WANT_HELPER_PROCESS=2")
 	o, err := cmd.CombinedOutput()
 	if err != nil {
diff --git a/src/syscall/exec_windows_test.go b/src/syscall/exec_windows_test.go
index 5cacf42b6b..90a13af8d1 100644
--- a/src/syscall/exec_windows_test.go
+++ b/src/syscall/exec_windows_test.go
@@ -6,6 +6,7 @@ package syscall_test
 
 import (
 	"fmt"
+	"internal/testenv"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -73,7 +74,7 @@ func TestChangingProcessParent(t *testing.T) {
 
 	// run parent process
 
-	parent := exec.Command(os.Args[0], "-test.run=^TestChangingProcessParent$")
+	parent := exec.Command(testenv.Executable(t), "-test.run=^TestChangingProcessParent$")
 	parent.Env = append(os.Environ(), "GO_WANT_HELPER_PROCESS=parent")
 	err := parent.Start()
 	if err != nil {
@@ -96,7 +97,7 @@ func TestChangingProcessParent(t *testing.T) {
 	}
 	defer syscall.CloseHandle(ph)
 
-	child := exec.Command(os.Args[0], "-test.run=^TestChangingProcessParent$")
+	child := exec.Command(testenv.Executable(t), "-test.run=^TestChangingProcessParent$")
 	child.Env = append(os.Environ(),
 		"GO_WANT_HELPER_PROCESS=child",
 		"GO_WANT_HELPER_PROCESS_FILE="+childDumpPath)
diff --git a/src/syscall/syscall_unix_test.go b/src/syscall/syscall_unix_test.go
index 56e771e086..8c6de43231 100644
--- a/src/syscall/syscall_unix_test.go
+++ b/src/syscall/syscall_unix_test.go
@@ -99,7 +99,7 @@ func TestFcntlFlock(t *testing.T) {
 			t.Fatalf("FcntlFlock(F_SETLK) failed: %v", err)
 		}
 
-		cmd := exec.Command(os.Args[0], "-test.run=^TestFcntlFlock$")
+		cmd := exec.Command(testenv.Executable(t), "-test.run=^TestFcntlFlock$")
 		cmd.Env = append(os.Environ(), "GO_WANT_HELPER_PROCESS=1")
 		cmd.ExtraFiles = []*os.File{f}
 		out, err := cmd.CombinedOutput()
@@ -171,7 +171,7 @@ func TestPassFD(t *testing.T) {
 	defer writeFile.Close()
 	defer readFile.Close()
 
-	cmd := exec.Command(os.Args[0], "-test.run=^TestPassFD$", "--", tempDir)
+	cmd := exec.Command(testenv.Executable(t), "-test.run=^TestPassFD$", "--", tempDir)
 	cmd.Env = append(os.Environ(), "GO_WANT_HELPER_PROCESS=1")
 	cmd.ExtraFiles = []*os.File{writeFile}