diff --git a/magefiles/mage.go b/magefiles/mage.go
index 7178ebc..2478849 100644
--- a/magefiles/mage.go
+++ b/magefiles/mage.go
@@ -36,7 +36,7 @@ func Install() error {
 
 	dest := filepath.Join(installPrefix, "bin", binary)
 
-	if err := sh.Copy(binary, dest); err != nil {
+	if err := sh.Copy(dest, binary); err != nil {
 		return fmt.Errorf("unable to install %s; %w", binary, err)
 	}