diff --git a/cpukit/ChangeLog b/cpukit/ChangeLog
index 31581e0faa..a6e3f33116 100644
--- a/cpukit/ChangeLog
+++ b/cpukit/ChangeLog
@@ -1,3 +1,9 @@
+2011-09-14	Sebastian Huber <sebastian.huber@embedded-brains.de>
+
+	PR 1898/cpukit
+	* score/include/rtems/score/percpu.h: Use CPU_STRUCTURE_ALIGNMENT for
+	_Per_CPU_Information.
+
 2011-09-11	Petr Benes <benesp16@fel.cvut.cz>
 
 	PR 1896/cpukit
diff --git a/cpukit/score/include/rtems/score/percpu.h b/cpukit/score/include/rtems/score/percpu.h
index cead5e13ae..b6506e5976 100644
--- a/cpukit/score/include/rtems/score/percpu.h
+++ b/cpukit/score/include/rtems/score/percpu.h
@@ -216,7 +216,7 @@ typedef struct {
  *
  *  This is an array of per CPU core information.
  */
-extern Per_CPU_Control _Per_CPU_Information[];
+extern Per_CPU_Control _Per_CPU_Information[] CPU_STRUCTURE_ALIGNMENT;
 
 #if defined(RTEMS_SMP)
 /**