diff --git a/src/thread/mips/clone.s b/src/thread/mips/clone.s
index 826716ab7f423ecdc9b2f0f7e18bdb48be17e861..6c2e7908385f23d062fc155e1b2115cec59adbc2 100644
--- a/src/thread/mips/clone.s
+++ b/src/thread/mips/clone.s
@@ -3,6 +3,7 @@
 .type   __clone,@function
 __clone:
 	# Save function pointer and argument pointer on new thread stack
+	and $5, $5, -8
 	subu $5, $5, 16
 	sw $4, 0($5)
 	sw $7, 4($5)