diff --git a/about_panics.go b/about_panics.go
index 94efdfe..55088ef 100644
--- a/about_panics.go
+++ b/about_panics.go
@@ -4,7 +4,11 @@ func divideFourBy(i int) int {
   return 4 / i
 }
 
+const __divisor__ = 0
+
 func aboutPanics() {
-  n := divideFourBy(0)
+  assert(__delete_me__) // panics are exceptional errors at runtime
+
+  n := divideFourBy(__divisor__)
   assert(n == 2) // panics are exceptional errors at runtime
 }