diff --git a/hardware/eda/circuits/indicator.py b/hardware/eda/circuits/indicator.py
index 84f7870..e2c2922 100644
--- a/hardware/eda/circuits/indicator.py
+++ b/hardware/eda/circuits/indicator.py
@@ -47,7 +47,7 @@ def peak_detect(src):
 
 def threshold(div_top, div_bot):
     n = Net(); rt = R(value=div_top); rb = R(value=div_bot)
-    p15 += rt[1]; rt[2] += n; rb[1] += n; rb[2] += gnd
+    rt[1] += p15; rt[2] += n; rb[1] += n; rb[2] += gnd   # rt[1]+=p15 (not p15+=...) to avoid local rebind
     return n
 
 # signal-present: low threshold ; clip: high threshold (TUNABLE)