diff --git a/src/spicelib/devices/bsim4/b4.c b/src/spicelib/devices/bsim4/b4.c
index 1f9ef1325..9a12c7413 100644
--- a/src/spicelib/devices/bsim4/b4.c
+++ b/src/spicelib/devices/bsim4/b4.c
@@ -93,7 +93,7 @@ IOPR( "delvt0", BSIM4_DELVTO,  IF_REAL   , "Zero bias threshold voltage variatio
 IOP( "mulu0", BSIM4_MULU0, IF_REAL, "Low field mobility multiplier"),
 IOP( "xgw",  BSIM4_XGW, IF_REAL, "Distance from gate contact center to device edge"),
 IOP( "ngcon", BSIM4_NGCON, IF_REAL, "Number of gate contacts"),
-IOP( "wnflag", BSIM4_WNFLAG, IF_REAL, "W/NF device flag for bin selection"),
+IOP( "wnflag", BSIM4_WNFLAG, IF_INTEGER, "W/NF device flag for bin selection"),
 
 IOP( "trnqsmod", BSIM4_TRNQSMOD, IF_INTEGER, "Transient NQS model selector"),
 IOP( "acnqsmod", BSIM4_ACNQSMOD, IF_INTEGER, "AC NQS model selector"),
diff --git a/src/spicelib/devices/bsim4/b4ask.c b/src/spicelib/devices/bsim4/b4ask.c
index b81cebd57..20926d089 100644
--- a/src/spicelib/devices/bsim4/b4ask.c
+++ b/src/spicelib/devices/bsim4/b4ask.c
@@ -159,7 +159,7 @@ BSIM4instance *here = (BSIM4instance*)inst;
             value->rValue = here->BSIM4mulu0;
             return(OK);
         case BSIM4_WNFLAG:
-            value->rValue = here->BSIM4wnflag;
+            value->iValue = here->BSIM4wnflag;
             return(OK);
         case BSIM4_XGW:
             value->rValue = here->BSIM4xgw;
diff --git a/src/spicelib/devices/bsim4/b4par.c b/src/spicelib/devices/bsim4/b4par.c
index e7cdcaa82..d0515ef8b 100644
--- a/src/spicelib/devices/bsim4/b4par.c
+++ b/src/spicelib/devices/bsim4/b4par.c
@@ -186,7 +186,7 @@ IFvalue *select)
             here->BSIM4mulu0Given = TRUE;
             break;
         case BSIM4_WNFLAG:
-            here->BSIM4wnflag = value->rValue;
+            here->BSIM4wnflag = value->iValue;
             here->BSIM4wnflagGiven = TRUE;
             break;
         case BSIM4_XGW:
diff --git a/src/spicelib/devices/bsim4/bsim4def.h b/src/spicelib/devices/bsim4/bsim4def.h
index 9706d1d82..9afba6144 100644
--- a/src/spicelib/devices/bsim4/bsim4def.h
+++ b/src/spicelib/devices/bsim4/bsim4def.h
@@ -152,7 +152,7 @@ typedef struct sBSIM4instance
 
     double BSIM4delvto;
     double BSIM4mulu0;
-    double BSIM4wnflag;
+    int BSIM4wnflag;
     double BSIM4xgw;
     double BSIM4ngcon;
 
diff --git a/src/spicelib/devices/bsim4v7/b4v7.c b/src/spicelib/devices/bsim4v7/b4v7.c
index 7a4317e6a..cb7cd3633 100644
--- a/src/spicelib/devices/bsim4v7/b4v7.c
+++ b/src/spicelib/devices/bsim4v7/b4v7.c
@@ -56,7 +56,7 @@ IOPR( "delvt0", BSIM4v7_DELVTO,  IF_REAL   , "Zero bias threshold voltage variat
 IOP( "mulu0", BSIM4v7_MULU0, IF_REAL, "Low field mobility multiplier"),
 IOP( "xgw",  BSIM4v7_XGW, IF_REAL, "Distance from gate contact center to device edge"),
 IOP( "ngcon", BSIM4v7_NGCON, IF_REAL, "Number of gate contacts"),
-IOP( "wnflag", BSIM4v7_WNFLAG, IF_REAL, "W/NF device flag for bin selection"),
+IOP( "wnflag", BSIM4v7_WNFLAG, IF_INTEGER, "W/NF device flag for bin selection"),
 
 IOP( "trnqsmod", BSIM4v7_TRNQSMOD, IF_INTEGER, "Transient NQS model selector"),
 IOP( "acnqsmod", BSIM4v7_ACNQSMOD, IF_INTEGER, "AC NQS model selector"),
diff --git a/src/spicelib/devices/bsim4v7/b4v7ask.c b/src/spicelib/devices/bsim4v7/b4v7ask.c
index e5a89a548..78a8e10c1 100644
--- a/src/spicelib/devices/bsim4v7/b4v7ask.c
+++ b/src/spicelib/devices/bsim4v7/b4v7ask.c
@@ -115,7 +115,7 @@ BSIM4v7instance *here = (BSIM4v7instance*)inst;
             value->rValue = here->BSIM4v7mulu0;
             return(OK);
         case BSIM4v7_WNFLAG:
-            value->rValue = here->BSIM4v7wnflag;
+            value->iValue = here->BSIM4v7wnflag;
             return(OK);
         case BSIM4v7_XGW:
             value->rValue = here->BSIM4v7xgw;
diff --git a/src/spicelib/devices/bsim4v7/b4v7par.c b/src/spicelib/devices/bsim4v7/b4v7par.c
index 5aa311d28..d8bdd6d3d 100644
--- a/src/spicelib/devices/bsim4v7/b4v7par.c
+++ b/src/spicelib/devices/bsim4v7/b4v7par.c
@@ -142,7 +142,7 @@ IFvalue *select)
             here->BSIM4v7mulu0Given = TRUE;
             break;
         case BSIM4v7_WNFLAG:
-            here->BSIM4v7wnflag = value->rValue;
+            here->BSIM4v7wnflag = value->iValue;
             here->BSIM4v7wnflagGiven = TRUE;
             break;
         case BSIM4v7_XGW:
diff --git a/src/spicelib/devices/bsim4v7/bsim4v7def.h b/src/spicelib/devices/bsim4v7/bsim4v7def.h
index c24721ca7..d4e8495eb 100644
--- a/src/spicelib/devices/bsim4v7/bsim4v7def.h
+++ b/src/spicelib/devices/bsim4v7/bsim4v7def.h
@@ -113,7 +113,7 @@ typedef struct sBSIM4v7instance
 
     double BSIM4v7delvto;
     double BSIM4v7mulu0;
-    double BSIM4v7wnflag;
+    int BSIM4v7wnflag;
     double BSIM4v7xgw;
     double BSIM4v7ngcon;