diff --git a/reactos/include/psdk/winternl.h b/reactos/include/psdk/winternl.h
index ff1cdd3c9a7..274bff0420c 100644
--- a/reactos/include/psdk/winternl.h
+++ b/reactos/include/psdk/winternl.h
@@ -595,6 +595,11 @@ typedef struct _FILE_MAILSLOT_SET_INFORMATION {
     LARGE_INTEGER ReadTimeout;
 } FILE_MAILSLOT_SET_INFORMATION, *PFILE_MAILSLOT_SET_INFORMATION;
 
+typedef struct _FILE_PIPE_INFORMATION {
+    ULONG ReadMode;
+    ULONG CompletionMode;
+} FILE_PIPE_INFORMATION, *PFILE_PIPE_INFORMATION;
+
 typedef struct _FILE_PIPE_LOCAL_INFORMATION {
     ULONG NamedPipeType;
     ULONG NamedPipeConfiguration;