diff --git a/unix/syscall_linux.go b/unix/syscall_linux.go
index b98a7e15..9098661a 100644
--- a/unix/syscall_linux.go
+++ b/unix/syscall_linux.go
@@ -1125,6 +1125,10 @@ func PtracePokeData(pid int, addr uintptr, data []byte) (count int, err error) {
 	return ptracePoke(PTRACE_POKEDATA, PTRACE_PEEKDATA, pid, addr, data)
 }
 
+func PtracePokeUser(pid int, addr uintptr, data []byte) (count int, err error) {
+	return ptracePoke(PTRACE_POKEUSR, PTRACE_PEEKUSR, pid, addr, data)
+}
+
 func PtraceGetRegs(pid int, regsout *PtraceRegs) (err error) {
 	return ptrace(PTRACE_GETREGS, pid, 0, uintptr(unsafe.Pointer(regsout)))
 }