diff --git a/srcpkgs/linux4.3/patches/sign-file-use-pkcs7-libressl.patch b/srcpkgs/linux4.3/patches/sign-file-use-pkcs7-libressl.patch
new file mode 100644
index 00000000000..52810d2973f
--- /dev/null
+++ b/srcpkgs/linux4.3/patches/sign-file-use-pkcs7-libressl.patch
@@ -0,0 +1,11 @@
+--- scripts/sign-file.c.orig	2015-11-02 08:09:38.249671776 +0100
++++ scripts/sign-file.c	2015-11-02 08:10:04.203937498 +0100
+@@ -39,7 +39,7 @@
+  * signing with anything other than SHA1 - so we're stuck with that if such is
+  * the case.
+  */
+-#if OPENSSL_VERSION_NUMBER < 0x10000000L
++#if defined(LIBRESSL_VERSION_NUMBER) || OPENSSL_VERSION_NUMBER < 0x10000000L
+ #define USE_PKCS7
+ #endif
+ #ifndef USE_PKCS7