diff --git a/power/Vcd.hh b/power/Vcd.hh
index dbe45056..76d904b5 100644
--- a/power/Vcd.hh
+++ b/power/Vcd.hh
@@ -47,6 +47,7 @@ enum class VcdVarType {
   real,
   supply0,
   supply1,
+  time,
   tri,
   triand,
   trior,
diff --git a/power/VcdReader.cc b/power/VcdReader.cc
index cd7e5e77..8c6ff5c8 100644
--- a/power/VcdReader.cc
+++ b/power/VcdReader.cc
@@ -169,6 +169,7 @@ static EnumNameMap<VcdVarType> vcd_var_type_map =
    {VcdVarType::real, "real"},
    {VcdVarType::supply0, "supply0"},
    {VcdVarType::supply1, "supply1"},
+   {VcdVarType::time, "time"},
    {VcdVarType::tri, "tri"},
    {VcdVarType::triand, "triand"},
    {VcdVarType::trior, "trior"},