diff --git a/srcpkgs/gcompat/patches/aarch64.patch b/srcpkgs/gcompat/patches/aarch64.patch
new file mode 100644
index 00000000000..386d6bd3569
--- /dev/null
+++ b/srcpkgs/gcompat/patches/aarch64.patch
@@ -0,0 +1,17 @@
+--- libgcompat/sysctl.c.orig	2017-10-19 10:51:44.000000000 +0000
++++ libgcompat/sysctl.c	2017-10-19 10:51:55.988937813 +0000
+@@ -4,6 +4,8 @@
+ #include <sys/syscall.h>
+ 
+ 
++#ifdef SYS__sysctl // deprecated sysctl not available on aarch64
++
+ struct __sysctl_args {
+ 	int *name;
+ 	int nlen;
+@@ -26,3 +28,5 @@
+ 
+ 	return syscall(SYS__sysctl, &args);
+ }
++
++#endif