diff --git a/ChangeLog b/ChangeLog
index d85fb5a1..6183880a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -23,6 +23,7 @@ Fernando Lopez-Lezcano
 2008-03-14 Stephane Letz  <letz@grame.fr>
 		
 	* Add -L (extra output latency in aynchronous mode) in CoreAudio driver.
+	* RT scheduling for OSX thread (wheen use in dummy driver).
 
 2008-03-14 Stephane Letz  <letz@grame.fr>
 		
diff --git a/common/JackEngineControl.h b/common/JackEngineControl.h
index 99284399..c685eae7 100644
--- a/common/JackEngineControl.h
+++ b/common/JackEngineControl.h
@@ -95,7 +95,7 @@ struct JackEngineControl : public JackShmMem
     int	fRollingInterval;
     float fCPULoad;
 
-    // Fos OSX thread
+    // For OSX thread
     UInt64 fPeriod;
     UInt64 fComputation;
     UInt64 fConstraint;
@@ -122,6 +122,10 @@ struct JackEngineControl : public JackShmMem
         ClearTimeMeasures();
         ResetRollingUsecs();
         snprintf(fServerName, sizeof(fServerName), server_name);
+        // For OSX thread
+        fPeriod = 0;
+        fComputation = 500 * 1000;
+        fConstraint = 500 * 1000;
     }
     ~JackEngineControl()
     {}
diff --git a/common/JackThreadedDriver.cpp b/common/JackThreadedDriver.cpp
index 169c2bd2..b2bcd00a 100644
--- a/common/JackThreadedDriver.cpp
+++ b/common/JackThreadedDriver.cpp
@@ -59,6 +59,8 @@ int JackThreadedDriver::Start()
 
     if (fDriver->IsRealTime()) {
         jack_log("JackThreadedDriver::Start IsRealTime");
+        // Will do "something" on OSX only...
+        fThread->SetParams(GetEngineControl()->fPeriod, GetEngineControl()->fComputation, GetEngineControl()->fConstraint);
         if (fThread->AcquireRealTime(GetEngineControl()->fPriority) < 0)
             jack_error("AcquireRealTime error");
     }