diff --git a/sw/cic/startup.S b/sw/cic/startup.S
index ffc9a79..c37dc7d 100644
--- a/sw/cic/startup.S
+++ b/sw/cic/startup.S
@@ -12,7 +12,7 @@ init_stack_pointer:
 init_bss:
     la t5, _sbss
     la t6, _ebss
-    beq a0, a1, 2f
+    beq t5, t6, 2f
 1:
     sw zero, 0(t5)
     addi t5, t5, 4