From e25cac4b8220172b630426568ae28f3f6c075f4f Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Wed, 18 Feb 2026 14:52:23 +0100
Subject: [PATCH] Fix a bug in the extrapolation formula: NMOS and PMOS
 degradations are o.k. now!

---
 src/xspice/icm/xtradev/degmonitor/cfunc.mod | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/xspice/icm/xtradev/degmonitor/cfunc.mod b/src/xspice/icm/xtradev/degmonitor/cfunc.mod
index 58014abbe..8a7fb5915 100644
--- a/src/xspice/icm/xtradev/degmonitor/cfunc.mod
+++ b/src/xspice/icm/xtradev/degmonitor/cfunc.mod
@@ -465,7 +465,7 @@ void cm_degmon(ARGS)  /* structure holding parms,
                 char *thisinstance = INSTNAME;
                 /**** model equations 3 ****/
                 sintegral = sintegral * tfut / tsim;
-                deg = 1. / (c * (pow(sintegral, -1.* n)));
+                deg = 1. / (c * (1. + pow(sintegral, (-1.* n))));
                 /***************************/
                 sintegral = 1e99; // flag final time step
                 /* only significant degradation */