diff --git a/src/spicelib/devices/vdmos/vdmosdefs.h b/src/spicelib/devices/vdmos/vdmosdefs.h
index fc9e6348e..5963a3db9 100644
--- a/src/spicelib/devices/vdmos/vdmosdefs.h
+++ b/src/spicelib/devices/vdmos/vdmosdefs.h
@@ -319,7 +319,6 @@ typedef struct sVDMOSmodel {       /* model structure for a resistor */
     /* bulk diode */
     double VDIOjunctionCap;   /* input - use tCj */
     double VDIOjunctionPot;    /* input - use tBulkPot */
-    double VDMOSbulkJctBotGradingCoeff;
     double VDIOdepletionCapCoeff;
     double VDIOjctSatCur;   /* input - use tSatCur */
     double VDMOSDbv;
@@ -335,6 +334,7 @@ typedef struct sVDMOSmodel {       /* model structure for a resistor */
     double VDIOtranTimeTemp2;
     double VDMOSDeg;
     double VDMOSDxti;
+    double VDIOgradCoeff;
     double VDIOgradCoeffTemp1;
     double VDIOgradCoeffTemp2;
 
@@ -345,7 +345,7 @@ typedef struct sVDMOSmodel {       /* model structure for a resistor */
     unsigned VDMOSgateResistanceGiven    :1;
     unsigned VDMOStransconductanceGiven  :1;
     unsigned VDMOSvt0Given   :1;
-    unsigned VDMOSbulkJctBotGradingCoeffGiven    :1;
+    unsigned VDIOgradCoeffGiven    :1;
     unsigned VDIOdepletionCapCoeffGiven :1;
     unsigned VDMOSphiGiven   :1;
     unsigned VDMOSlambdaGiven    :1;
diff --git a/src/spicelib/devices/vdmos/vdmosmask.c b/src/spicelib/devices/vdmos/vdmosmask.c
index 8589664bc..d3f32909a 100644
--- a/src/spicelib/devices/vdmos/vdmosmask.c
+++ b/src/spicelib/devices/vdmos/vdmosmask.c
@@ -81,7 +81,7 @@ VDMOSmAsk(CKTcircuit *ckt, GENmodel *inst, int which, IFvalue *value)
             value->rValue = model->VDIOjunctionCap;
             return(OK);
         case VDMOS_MOD_MJ:
-            value->rValue = model->VDMOSbulkJctBotGradingCoeff;
+            value->rValue = model->VDIOgradCoeff;
             return(OK);
         case VDMOS_MOD_BV:
             value->rValue = model->VDMOSDbv;
diff --git a/src/spicelib/devices/vdmos/vdmosmpar.c b/src/spicelib/devices/vdmos/vdmosmpar.c
index a0f9dcdd2..0da011b00 100644
--- a/src/spicelib/devices/vdmos/vdmosmpar.c
+++ b/src/spicelib/devices/vdmos/vdmosmpar.c
@@ -66,8 +66,8 @@ VDMOSmParam(int param, IFvalue *value, GENmodel *inModel)
             model->VDIOjunctionCapGiven = TRUE;
             break;
         case VDMOS_MOD_MJ:
-            model->VDMOSbulkJctBotGradingCoeff = value->rValue;
-            model->VDMOSbulkJctBotGradingCoeffGiven = TRUE;
+            model->VDIOgradCoeff = value->rValue;
+            model->VDIOgradCoeffGiven = TRUE;
             model->VDIOgradCoeffTemp1 = 0;
             model->VDIOgradCoeffTemp2 = 0;
             break;
diff --git a/src/spicelib/devices/vdmos/vdmosset.c b/src/spicelib/devices/vdmos/vdmosset.c
index e377f0b19..8c8136184 100644
--- a/src/spicelib/devices/vdmos/vdmosset.c
+++ b/src/spicelib/devices/vdmos/vdmosset.c
@@ -42,8 +42,8 @@ VDMOSsetup(SMPmatrix *matrix, GENmodel *inModel, CKTcircuit *ckt,
         if (!model->VDIOjunctionPotGiven) {
             model->VDIOjunctionPot = .8;
         }
-        if (!model->VDMOSbulkJctBotGradingCoeffGiven) {
-            model->VDMOSbulkJctBotGradingCoeff = .5;
+        if (!model->VDIOgradCoeffGiven) {
+            model->VDIOgradCoeff = .5;
         }
         if (!model->VDIOdepletionCapCoeffGiven) {
             model->VDIOdepletionCapCoeff = .5;
diff --git a/src/spicelib/devices/vdmos/vdmostemp.c b/src/spicelib/devices/vdmos/vdmostemp.c
index 34a39d712..6d9b16d23 100644
--- a/src/spicelib/devices/vdmos/vdmostemp.c
+++ b/src/spicelib/devices/vdmos/vdmostemp.c
@@ -179,7 +179,7 @@ VDMOStemp(GENmodel *inModel, CKTcircuit *ckt)
             /* Junction grading temperature adjust */
             factor = 1.0 + (model->VDIOgradCoeffTemp1 * dt)
                 + (model->VDIOgradCoeffTemp2 * dt * dt);
-            here->VDIOtGradingCoeff = model->VDMOSbulkJctBotGradingCoeff * factor;
+            here->VDIOtGradingCoeff = model->VDIOgradCoeff * factor;
 
             vt = CONSTKoverQ * here->VDMOStemp;
             /* this part gets really ugly - I won't even try to