diff --git a/src/openvpn/crypto.c b/src/openvpn/crypto.c
index 5f6ad675..d55ca099 100644
--- a/src/openvpn/crypto.c
+++ b/src/openvpn/crypto.c
@@ -34,7 +34,9 @@
 #include "error.h"
 #include "integer.h"
 #include "platform.h"
+#ifdef ENABLE_CRYPTO_OPENSSL
 #include "openssl_compat.h"
+#endif
 
 #include "memdbg.h"