diff --git a/DRAMSys/simulator/src/controller/core/ControllerCore.cpp b/DRAMSys/simulator/src/controller/core/ControllerCore.cpp
index cb40e4bb..d8650e70 100644
--- a/DRAMSys/simulator/src/controller/core/ControllerCore.cpp
+++ b/DRAMSys/simulator/src/controller/core/ControllerCore.cpp
@@ -160,7 +160,8 @@ void ControllerCore::scheduleRequest(Command command, tlm::tlm_generic_payload &
     sc_time start = clkAlign(sc_time_stamp());
     state->cleanUp(start);
     ScheduledCommand scheduledCommand = schedule(command, start, payload);
-    if(!(command == Command::Precharge && refreshManager->hasCollision(scheduledCommand)))
+    if(!((command == Command::Precharge || command == Command::Activate)
+         && refreshManager->hasCollision(scheduledCommand)))
     {
         state->change(scheduledCommand);
         controller.send(scheduledCommand, payload);