1 files changed, 1 insertions, 1 deletions

diff --git a/arch/um/sys-x86_64/syscalls.c b/arch/um/sys-x86_64/syscalls.c
index 6acee5c4ada6..6fce9f45dfdc 100644
--- a/arch/um/sys-x86_64/syscalls.c
+++ b/arch/um/sys-x86_64/syscalls.c
@@ -45,7 +45,7 @@ static long arch_prctl_tt(int code, unsigned long addr)
         case ARCH_GET_GS:
                 ret = arch_prctl(code, (unsigned long) &tmp);
                 if(!ret)
-                        ret = put_user(tmp, &addr);
+                        ret = put_user(tmp, (long __user *)addr);
                 break;
         default:
                 ret = -EINVAL;