diff --git a/libgcrypt-1.8.5-build.patch b/libgcrypt-1.8.5-build.patch
new file mode 100644
index 0000000..3e71238
--- /dev/null
+++ b/libgcrypt-1.8.5-build.patch
@@ -0,0 +1,14 @@
+diff -up libgcrypt-1.8.5/cipher/poly1305-armv7-neon.S.build libgcrypt-1.8.5/cipher/poly1305-armv7-neon.S
+--- libgcrypt-1.8.5/cipher/poly1305-armv7-neon.S.build	2017-11-23 19:16:58.000000000 +0100
++++ libgcrypt-1.8.5/cipher/poly1305-armv7-neon.S	2020-01-30 17:26:12.026404286 +0100
+@@ -87,9 +87,8 @@ _gcry_poly1305_armv7_neon_init_ext:
+ .Lpoly1305_init_ext_neon_local:
+ 	stmfd sp!, {r4-r11, lr}
+ 	sub sp, sp, #32
+-	mov r14, r2
++	mov r14, #-1
+ 	and r2, r2, r2
+-	moveq r14, #-1
+ 	UNALIGNED_LDMIA4(r1, r2, r3, r4, r5)
+ 	GET_DATA_POINTER(r7,.Lpoly1305_init_constants_neon,r8)
+ 	mov r6, r2