diff --git a/DRAMSys/library/src/controller/core/refresh/RGR.cpp b/DRAMSys/library/src/controller/core/refresh/RGR.cpp
index cd94840a..37b552e4 100644
--- a/DRAMSys/library/src/controller/core/refresh/RGR.cpp
+++ b/DRAMSys/library/src/controller/core/refresh/RGR.cpp
@@ -40,7 +40,7 @@
 #include "../../../common/Utils.h"
 
 #define TRUE 1
-#define FALSE 0
+#define FALSE !(TRUE)
 #define INITIAL_DISPLACEMENT FALSE
 
 using namespace std;
@@ -96,8 +96,13 @@ RGR::~RGR()
 {
 }
 
-bool RGR::hasCollision(const ScheduledCommand __attribute__((unused)) &cmd)
+bool RGR::hasCollision(const ScheduledCommand &cmd)
 {
+    Bank b = cmd.getBank();
+    if (currentState[b] == ST_BURST) {
+        // A burst due to postponed refreshes shall not be interrupted.
+        return true;
+    }
     return false;
 }