diff --git a/reactos/ntoskrnl/io/share.c b/reactos/ntoskrnl/io/share.c
index d6806769498..8e4ad6be9b1 100644
--- a/reactos/ntoskrnl/io/share.c
+++ b/reactos/ntoskrnl/io/share.c
@@ -11,6 +11,7 @@
 /* INCLUDES *****************************************************************/
 
 #include <ntoskrnl.h>
+#define NDEBUG
 #include <internal/debug.h>
 
 /* FUNCTIONS *****************************************************************/
@@ -243,7 +244,7 @@ NTSTATUS STDCALL
 IoSetInformation(IN PFILE_OBJECT FileObject,
 		 IN FILE_INFORMATION_CLASS FileInformationClass,
 		 IN ULONG Length,
-		 OUT PVOID FileInformation)
+		 IN PVOID FileInformation)
 {
    IO_STATUS_BLOCK IoStatusBlock;
    PIRP Irp;