diff --git a/src/Main/main.cpp b/src/Main/main.cpp
index 4ab058a44ea226d159886df8657ceb0685bd686b..5e9829ec8e53ca135b9ec90155229f80ac288ed6 100644
--- a/src/Main/main.cpp
+++ b/src/Main/main.cpp
@@ -23,10 +23,10 @@
 #include "config.h"
 #include "ConsoleRenderer.h"
 #include "ProjectManager.h"
+#include "VlmcDebug.h"
 #include "WorkflowFileRenderer.h"
 
 #include <QCoreApplication>
-#include <QtDebug>
 #include <QMetaType>
 #include <QVariant>
 
@@ -52,7 +52,7 @@ VLMCmain( int argc, char **argv )
 
     if ( app.arguments().count() < 3 )
     {
-        qCritical() << "Usage: ./vlmc project.vlmc output_file";
+        vlmcCritical() << "Usage: ./vlmc project.vlmc output_file";
         return 1;
     }
     ProjectManager  *pm = ProjectManager::getInstance();
diff --git a/src/Main/vlmc.cpp b/src/Main/vlmc.cpp
index ebe58f4740ff3802d5b539208af488d95d431802..7de5f145dd53e8e878e6b6742280485b8f7471fc 100644
--- a/src/Main/vlmc.cpp
+++ b/src/Main/vlmc.cpp
@@ -23,6 +23,7 @@
 #include "config.h"
 
 #include "Types.h"
+#include "VlmcDebug.h"
 
 #include <QMetaType>
 #include <QTextStream>
@@ -122,7 +123,7 @@ main( int argc, char **argv )
         {
             pid_t pid = fork();
             if( pid < 0 )
-                qFatal("Can't fork to launch VLMC. Exiting.");
+                vlmcFatal("Can't fork to launch VLMC. Exiting.");
             if( pid == 0 )
             {
                 signal( SIGSEGV, signalHandler );