diff --git a/seminaries/qtrvsim/hazards-from-lecture/lw-hazards.S b/seminaries/qtrvsim/hazards-from-lecture/lw-hazards.S
index 4245556cefde98fff624ecbcd3f796fb5ebb1c5b..444ca686198b5c7f6abd175fc1f5cef137c99061 100644
--- a/seminaries/qtrvsim/hazards-from-lecture/lw-hazards.S
+++ b/seminaries/qtrvsim/hazards-from-lecture/lw-hazards.S
@@ -4,7 +4,7 @@
 	li   s4, 0x44444444
 	li   s5, 0x55555555
 
-	lw   s0, 40(0)
+	lw   s0, 40(x0)
 	and  t0, s0, s1
 	or   t1, s4, s0
 	sub  t2, s0, s5