diff --git a/cpukit/posix/include/aio.h b/cpukit/posix/include/aio.h
index 4aabe13ce9..85255ed25a 100644
--- a/cpukit/posix/include/aio.h
+++ b/cpukit/posix/include/aio.h
@@ -127,7 +127,7 @@ int aio_cancel(
  */
 
 int aio_suspend(
-  struct aiocb  * const   list[],
+  const struct aiocb  * const   list[],
   int                     nent,
   const struct timespec  *timeout
 );
diff --git a/cpukit/posix/src/aio_suspend.c b/cpukit/posix/src/aio_suspend.c
index 79ffa609da..73f8a3c750 100644
--- a/cpukit/posix/src/aio_suspend.c
+++ b/cpukit/posix/src/aio_suspend.c
@@ -22,7 +22,7 @@
 #include <rtems/seterr.h>
 
 int aio_suspend(
-  struct aiocb  * const   list[],
+  const struct aiocb  * const list[],
   int                     nent,
   const struct timespec  *timeout
 )