diff --git a/test/test.S b/test/test.S
index 5583508..9a73f29 100644
--- a/test/test.S
+++ b/test/test.S
@@ -9,7 +9,7 @@ _start:
     lui     x1, 0xfedcb         # x1  = 0xfedcb000
 
     # addi
-    addi    x1, x1, 0x789       # x1  = 0xfedcb789
+    addi    x1, fx1, 0x789       # x1  = 0xfedcb789
     addi    x2, x0, -1          # x2  = 0xffffffff
     addi    x3, x1, -0x777      # x3  = 0xfedcb012