diff --git a/internal/native/native.go b/internal/native/native.go
index bc67f78..20dc6b2 100644
--- a/internal/native/native.go
+++ b/internal/native/native.go
@@ -106,11 +106,15 @@ func InstallNode(node state.Node, apiToken, apiHost, labels, mode string) error
 		return fmt.Errorf("register: %w\n%s", regErr, string(data))
 	}
 
-	// 8. Move /opt/wallarm → /opt/fw/{name}/wallarm, kill temp nginx
-	exec.Command("pkill", "-f", filepath.Join(DeployTo, "nginx")).Run()
+	// 8. Move /opt/wallarm → instanceDir (copy+delete for cross-fs safety)
+	exec.Command("pkill", "-9", "-f", filepath.Join(DeployTo, "nginx")).Run()
 	os.MkdirAll(filepath.Join(BaseDir, node.Name), 0755)
 	os.RemoveAll(instanceDir)
-	os.Rename(DeployTo, instanceDir)
+	if err := os.Rename(DeployTo, instanceDir); err != nil {
+		// Cross-filesystem fallback
+		exec.Command("cp", "-a", DeployTo, instanceDir).Run()
+		os.RemoveAll(DeployTo)
+	}
 
 	// 9. Patch paths + fix ELF binaries + systemd
 	svc := "wallarm-node@" + node.Name