diff --git a/src/spicelib/devices/bsim4/b4.c b/src/spicelib/devices/bsim4/b4.c
index b39901f32..438c1498b 100644
--- a/src/spicelib/devices/bsim4/b4.c
+++ b/src/spicelib/devices/bsim4/b4.c
@@ -71,6 +71,9 @@ IOP( "mult_i", BSIM4_MULT_I, IF_REAL, "Variability in current"),
 IOP( "mult_q", BSIM4_MULT_Q, IF_REAL, "Variability in charge"),
 IOP( "mult_fn", BSIM4_MULT_FN, IF_REAL, "Variability in flicker noise"),
 IP( "ic",  BSIM4_IC,     IF_REALVEC , "Vector of DS,GS,BS initial voltages"),
+IOP( "icvgs", BSIM4_IC_VGS, IF_REAL , "GS initial voltage"),
+IOP( "icvds", BSIM4_IC_VDS, IF_REAL , "DS initial voltage"),
+IOP( "icvbs", BSIM4_IC_VBS, IF_REAL , "BS initial voltage"),
 OP( "gmbs",         BSIM4_GMBS,       IF_REAL,    "Gmb"),
 OP( "gm",           BSIM4_GM,         IF_REAL,    "Gm"),
 OP( "gds",          BSIM4_GDS,        IF_REAL,    "Gds"),