diff --git a/ChangeLog b/ChangeLog
index f62300af..d2e4f540 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -25,6 +25,10 @@ Paul Davis
   Jackdmp changes log
 ---------------------------
 
+2009-07-07 Stephane Letz  <letz@grame.fr>
+
+	* Use __attribute__((__aligned__(32))) instead of __attribute__((__packed__)) for 64/32 mixed mode.
+
 2009-07-03 Stephane Letz  <letz@grame.fr>
 
 	* Another Tim Bechmann memops.c optimization patch.
diff --git a/common/JackFrameTimer.h b/common/JackFrameTimer.h
index c7cd49c8..aca70add 100644
--- a/common/JackFrameTimer.h
+++ b/common/JackFrameTimer.h
@@ -44,8 +44,8 @@ class SERVER_EXPORT JackTimer
         jack_time_t	fCurrentCallback;
         jack_time_t	fNextWakeUp;
         float fSecondOrderIntegrator;
-        bool fInitialized;
         float fFilterCoefficient;	/* set once, never altered */
+        bool fInitialized;
 
     public: 
     
diff --git a/posix/JackCompilerDeps_os.h b/posix/JackCompilerDeps_os.h
index 767674e1..a71ab190 100644
--- a/posix/JackCompilerDeps_os.h
+++ b/posix/JackCompilerDeps_os.h
@@ -34,7 +34,8 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
         #if (__GNUC__< 4)  /* Does not seem to work with GCC 3.XX serie */
             #define POST_PACKED_STRUCTURE
         #elif defined(JACK_32_64)
-            #define POST_PACKED_STRUCTURE __attribute__((__packed__))
+            //#define POST_PACKED_STRUCTURE __attribute__((__packed__))
+            #define POST_PACKED_STRUCTURE __attribute__((__aligned__(32)))
         #else
             #define POST_PACKED_STRUCTURE
         #endif