diff --git a/c/src/lib/libcpu/powerpc/ChangeLog b/c/src/lib/libcpu/powerpc/ChangeLog
index 9f030046fb..fec35205e2 100644
--- a/c/src/lib/libcpu/powerpc/ChangeLog
+++ b/c/src/lib/libcpu/powerpc/ChangeLog
@@ -1,3 +1,8 @@
+2011-10-07	Ralf Corsépius <ralf.corsepius@rtems.org>
+
+	* mpc5xx/clock/clock.c: Make BSP_disconnect_clock_handler decl a
+	prototype.
+
 2011-10-07	Ralf Corsépius <ralf.corsepius@rtems.org>
 
 	PR 1928/bsps:
diff --git a/c/src/lib/libcpu/powerpc/mpc5xx/clock/clock.c b/c/src/lib/libcpu/powerpc/mpc5xx/clock/clock.c
index b677832257..00f3d27040 100644
--- a/c/src/lib/libcpu/powerpc/mpc5xx/clock/clock.c
+++ b/c/src/lib/libcpu/powerpc/mpc5xx/clock/clock.c
@@ -51,7 +51,7 @@
 
 volatile uint32_t Clock_driver_ticks;
 extern int BSP_connect_clock_handler(rtems_isr_entry);
-extern int BSP_disconnect_clock_handler();
+extern int BSP_disconnect_clock_handler(void);
 extern uint32_t bsp_clicks_per_usec;
 
 void Clock_exit( void );