diff --git a/src/spicelib/devices/adms/bsimbulk/admsva/bsimbulk.va b/src/spicelib/devices/adms/bsimbulk/admsva/bsimbulk.va
index c26c5d6bf..3d75b7a34 100644
--- a/src/spicelib/devices/adms/bsimbulk/admsva/bsimbulk.va
+++ b/src/spicelib/devices/adms/bsimbulk/admsva/bsimbulk.va
@@ -2944,11 +2944,13 @@ analog begin
         kstress_vth0    = 1.0 + tmp1_stress_vth;
         T0              = TRatio - 1.0;
         ku0_temp        = kstress_u0 * (1.0 + TKU0 * T0) + 1.0e-9;
-        for (i = 0; i < NF; i = i + 1) begin : forloop
+        i = 0;
+        while (i < NF) begin
             T0     = 1.0 / NF / (SA + 0.5 * L_mult + i * (SD + L_mult));
             T1     = 1.0 / NF / (SB + 0.5 * L_mult + i * (SD + L_mult));
             Inv_sa = Inv_sa + T0;
             Inv_sb = Inv_sb + T1;
+            i = i + 1;
         end
         Inv_saref   = 1.0 / (SAREF + 0.5 * L_mult);
         Inv_sbref   = 1.0 / (SBREF + 0.5 * L_mult);