diff --git a/cpukit/libblock/src/diskdevs.c b/cpukit/libblock/src/diskdevs.c
index c0570565d5..fceed83163 100644
--- a/cpukit/libblock/src/diskdevs.c
+++ b/cpukit/libblock/src/diskdevs.c
@@ -57,8 +57,7 @@ static rtems_id diskdevs_mutex;
  */
 static volatile bool diskdevs_protected;
 
-static rtems_interrupt_lock diskdevs_lock =
-  RTEMS_INTERRUPT_LOCK_INITIALIZER("diskdevs");
+RTEMS_INTERRUPT_LOCK_DEFINE(static, diskdevs_lock, "diskdevs")
 
 static rtems_status_code
 disk_lock(void)