--- a/src/policies/DIF/RMT/MaxQueue/REDDropper/REDDropper.cc
+++ b/src/policies/DIF/RMT/MaxQueue/REDDropper/REDDropper.cc
@@ -1,5 +1,5 @@
 //
-// Copyright © 2014 PRISTINE Consortium (http://ict-pristine.eu)
+// Copyright © 2014 - 2015 PRISTINE Consortium (http://ict-pristine.eu)
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Lesser General Public License as published by
@@ -78,7 +78,16 @@
     {
         monitor->qCounters[queue] += 1;
         const double pb = maxP * (avr - minThresh) / (maxThresh - minThresh);
-        const double pa = pb / (1 - count * pb);
+        double pa;
+        if ((count * pb) < 1)
+        {
+            pa = pb / (1 - (count * pb));
+        }
+        else
+        {
+            pa = 1.0;
+        }
+
         const double rand = dblrand();
 
         if (rand < pa)