diff --git a/extensions/standards/HBM3/DRAMSys/configuration/memspec/MemSpecHBM3.cpp b/extensions/standards/HBM3/DRAMSys/configuration/memspec/MemSpecHBM3.cpp
index 7b697c9b..24c0c8b2 100644
--- a/extensions/standards/HBM3/DRAMSys/configuration/memspec/MemSpecHBM3.cpp
+++ b/extensions/standards/HBM3/DRAMSys/configuration/memspec/MemSpecHBM3.cpp
@@ -73,6 +73,7 @@ MemSpecHBM3::MemSpecHBM3(const DRAMUtils::MemSpec::MemSpecHBM3& memSpec) :
     commandLengthInCycles[Command::REFAB] = 0.5;
     commandLengthInCycles[Command::RFMPB] = 0.5;
     commandLengthInCycles[Command::RFMAB] = 0.5;
+    commandLengthInCycles[Command::PDXP] = 0.5;
     commandLengthInCycles[Command::PDXA] = 0.5;
     commandLengthInCycles[Command::SREFEX] = 0.5;