diff --git a/srcpkgs/tor/patches/ppc64.patch b/srcpkgs/tor/patches/ppc64.patch
new file mode 100644
index 00000000000..aef2ba51f90
--- /dev/null
+++ b/srcpkgs/tor/patches/ppc64.patch
@@ -0,0 +1,14 @@
+--- src/lib/sandbox/sandbox.c	2018-12-20 17:33:15.815307612 +0100
++++ src/lib/sandbox/sandbox.c	2018-12-20 17:36:59.795797024 +0100
+@@ -111,6 +111,11 @@
+ #define REG_SYSCALL 8
+ #define M_SYSCALL regs[REG_SYSCALL]
+ 
++#elif defined(__powerpc64__)
++
++#define REG_SYSCALL 0
++#define M_SYSCALL gp_regs[REG_SYSCALL]
++
+ #endif /* defined(__i386__) || ... */
+ 
+ /**Determines if at least one sandbox is active.*/