diff --git a/testscript/exe.go b/testscript/exe.go
index ed6bd98d..12706c7e 100644
--- a/testscript/exe.go
+++ b/testscript/exe.go
@@ -122,7 +122,7 @@ func RunMain(m TestingM, commands map[string]func() int) (exitCode int) {
 // system's temporary directory, like we do. We don't use hard links on Windows,
 // as that can lead to "access denied" errors when removing.
 func copyBinary(from, to string) error {
-	if runtime.GOOS != "windows" {
+	if runtime.GOOS != "windows" && runtime.GOOS != "darwin" {
 		if err := os.Link(from, to); err == nil {
 			return nil
 		}