diff --git a/src/crypto/internal/backend/openssl.go b/src/crypto/internal/backend/openssl.go
index 6786c1f..5a330cf 100644
--- a/src/crypto/internal/backend/openssl.go
+++ b/src/crypto/internal/backend/openssl.go
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build linux && !android && !gocrypt && !cmd_go_bootstrap && !msan && !no_openssl && !static
-// +build linux,!android,!gocrypt,!cmd_go_bootstrap,!msan,!no_openssl,!static
+//go:build linux && cgo && !android && !gocrypt && !cmd_go_bootstrap && !msan && !no_openssl && !static
+// +build linux,cgo,!android,!gocrypt,!cmd_go_bootstrap,!msan,!no_openssl,!static
 
 // Package openssl provides access to OpenSSLCrypto implementation functions.
 // Check the variable Enabled to find out whether OpenSSLCrypto is available.