diff --git a/Detectors/ITSMFT/ITS/simulation/include/DigitizerTask.h b/Detectors/ITSMFT/ITS/simulation/include/DigitizerTask.h
index e4098dd101a53..572abbcabfb49 100644
--- a/Detectors/ITSMFT/ITS/simulation/include/DigitizerTask.h
+++ b/Detectors/ITSMFT/ITS/simulation/include/DigitizerTask.h
@@ -6,8 +6,8 @@
 //
 //
 
-#ifndef __ALICEO2__DigitizerTask__
-#define __ALICEO2__DigitizerTask__
+#ifndef __ALICEO2__ITS__DigitizerTask__
+#define __ALICEO2__ITS_DigitizerTask__
 
 #include <stdio.h>
 #include "FairTask.h"  // for FairTask, InitStatus
@@ -17,25 +17,25 @@ namespace AliceO2 { namespace ITS { class Digitizer; } }  // lines 19-19
 
 namespace AliceO2 {
     namespace ITS{
-        
+
         class Digitizer;
-        
+
         class DigitizerTask : public FairTask{
         public:
             DigitizerTask();
             virtual ~DigitizerTask();
-            
+
             virtual InitStatus Init();
             virtual void Exec(Option_t *option);
-            
+
             Digitizer *GetDigiztizer() const { return fDigitizer; }
 
         private:
             Digitizer           *fDigitizer;
-            
+
             TClonesArray        *fPointsArray;
             TClonesArray        *fDigitsArray;
-            
+
             ClassDef(DigitizerTask, 1)
         };
     }
diff --git a/Detectors/TPC/simulation/include/DigitizerTask.h b/Detectors/TPC/simulation/include/DigitizerTask.h
index 4144bb2464cad..2f3a680ff59d7 100644
--- a/Detectors/TPC/simulation/include/DigitizerTask.h
+++ b/Detectors/TPC/simulation/include/DigitizerTask.h
@@ -1,7 +1,7 @@
 /// \file DigitizerTask.h
 /// \brief Task for ALICE TPC digitization
-#ifndef __ALICEO2__DigitizerTask__
-#define __ALICEO2__DigitizerTask__
+#ifndef __ALICEO2__TPC__DigitizerTask__
+#define __ALICEO2__TPC__DigitizerTask__
 
 #include <stdio.h>
 #include "FairTask.h"
@@ -11,23 +11,23 @@ namespace AliceO2 { namespace TPC { class Digitizer; } }
 
 namespace AliceO2 {
     namespace TPC{
-        
+
         class Digitizer;
-        
+
         class DigitizerTask : public FairTask{
         public:
             DigitizerTask();
             virtual ~DigitizerTask();
-            
+
             virtual InitStatus Init();
             virtual void Exec(Option_t *option);
-            
+
         private:
             Digitizer           *mDigitizer;
-            
+
             TClonesArray        *mPointsArray;
             TClonesArray        *mDigitsArray;
-            
+
             ClassDef(DigitizerTask, 1)
         };
     }