diff --git a/DRAMSys/simulator/src/controller/core/configuration/Configuration.cpp b/DRAMSys/simulator/src/controller/core/configuration/Configuration.cpp
index 0d970ba4..42f851f1 100644
--- a/DRAMSys/simulator/src/controller/core/configuration/Configuration.cpp
+++ b/DRAMSys/simulator/src/controller/core/configuration/Configuration.cpp
@@ -205,7 +205,12 @@ void Configuration::setParameter(std::string name, std::string value)
     else if (name == "ControllerCoreForceMaxRefPostpone")
         ControllerCoreForceMaxRefPostpone = string2bool(value);
     else if (name == "ControllerCoreEnableRefPostpone")
+    {
         ControllerCoreEnableRefPostpone = string2bool(value);
+        if (ControllerCoreEnableRefPostpone && memSpec.MemoryType != "DDR3") {
+            SC_REPORT_FATAL("Configuration", (name + " requires memory type DDR3.").c_str());
+        }
+    }
     else if (name == "ControllerCoreMaxPostponedARCmd")
         ControllerCoreMaxPostponedARCmd = string2int(value);
     else if (name == "ThermalSimulation")