diff --git a/miosix/kernel/scheduler/control/control_scheduler.cpp b/miosix/kernel/scheduler/control/control_scheduler.cpp
index ee90b17ab0e863df726378590462b6756d4a4873..68ed478cbd5418bbda64879e59b0abbc322614ac 100644
--- a/miosix/kernel/scheduler/control/control_scheduler.cpp
+++ b/miosix/kernel/scheduler/control/control_scheduler.cpp
@@ -756,39 +756,37 @@ void ControlScheduler::IRQrecalculateAlfa()
     if(sumPriority==0) return;
     #ifndef SCHED_CONTROL_FIXED_POINT
     float base=1.0f/((float)sumPriority);
-    //for(Thread *it=threadList;it!=0;it=it->schedData.next)
-    for (auto it = activeThreads.begin() ; it != activeThreads.end() ; it++)
+    for(Thread *it=threadList;it!=0;it=it->schedData.next)
     {
         #ifdef ENABLE_FEEDFORWARD
         //Assign zero bursts to blocked threads
-        if((*it)->t->flags.isReady())
+        if(it->flags.isReady())
         {
-            (*it)->t->schedData.alfa=base*((float)((*it)->t->schedData.priority.get()+1));
+            it->schedData.alfa=base*((float)(it->schedData.priority.get()+1));
         } else {
-            (*it)->t->schedData.alfa=0;
+            it->schedData.alfa=0;
         }
         #else //ENABLE_FEEDFORWARD
         //Assign bursts irrespective of thread blocking status
-        (*it)->t->schedData.alfa=base*((float)((*it)->t->schedData.priority.get()+1));
+        it->schedData.alfa=base*((float)(it->schedData.priority.get()+1));
         #endif //ENABLE_FEEDFORWARD
     }
     #else //FIXED_POINT_MATH
     //Sum of all alfa is maximum value for an unsigned short
     unsigned int base=4096/sumPriority;
-    //for(Thread *it=threadList;it!=0;it=it->schedData.next)
-    for (auto it = activeThreads.begin() ; it != activeThreads.end() ; it++)
+    for(Thread *it=threadList;it!=0;it=it->schedData.next)
     {
         #ifdef ENABLE_FEEDFORWARD
         //Assign zero bursts to blocked threads
-        if((*it)->t->flags.isReady())
+        if(it->flags.isReady())
         {
-            (*it)->t->schedData.alfa=base*((*it)->t->schedData.priority.get()+1);
+            it->schedData.alfa=base*(it->schedData.priority.get()+1);
         } else {
-            (*it)->t->schedData.alfa=0;
+            it->schedData.alfa=0;
         }
         #else //ENABLE_FEEDFORWARD
         //Assign bursts irrespective of thread blocking status
-        (*it)->t->schedData.alfa=base*((*it)->t->schedData.priority.get()+1);
+        it->schedData.alfa=base*(it->schedData.priority.get()+1);
         #endif //ENABLE_FEEDFORWARD
     }
     #endif //FIXED_POINT_MATH
diff --git a/miosix/kernel/scheduler/control/control_scheduler.h b/miosix/kernel/scheduler/control/control_scheduler.h
index 398e113c90f5235ade916ff607b2ad26739a88f0..7b4f25257e1549994637cb9e109d411cd1e3039e 100755
--- a/miosix/kernel/scheduler/control/control_scheduler.h
+++ b/miosix/kernel/scheduler/control/control_scheduler.h
@@ -27,7 +27,9 @@
 
 #ifndef CONTROL_SCHEDULER_H
 #define	CONTROL_SCHEDULER_H
+
 #define SCHED_CONTROL_MULTIBURST
+
 #include "config/miosix_settings.h"
 #include "control_scheduler_types.h"
 #include "parameters.h"