diff --git a/srcpkgs/pkcs11-helper/patches/libressl-2.7.patch b/srcpkgs/pkcs11-helper/patches/libressl-2.7.patch
new file mode 100644
index 00000000000..d1394dfba58
--- /dev/null
+++ b/srcpkgs/pkcs11-helper/patches/libressl-2.7.patch
@@ -0,0 +1,11 @@
+--- lib/pkcs11h-openssl.c	2017-02-11 23:13:00.000000000 +0100
++++ lib/pkcs11h-openssl.c	2018-04-27 17:14:28.626339188 +0200
+@@ -62,7 +62,7 @@
+  */
+ #if defined(LIBRESSL_VERSION_NUMBER)
+ #undef OPENSSL_VERSION_NUMBER
+-#define OPENSSL_VERSION_NUMBER 0x1000107fL
++#define OPENSSL_VERSION_NUMBER 0x10100001
+ #endif
+ 
+ #if !defined(OPENSSL_NO_EC) && defined(ENABLE_PKCS11H_OPENSSL_EC)