diff --git a/reactos/include/afd/shared.h b/reactos/include/afd/shared.h
index 310d2531f9b..611a706086f 100644
--- a/reactos/include/afd/shared.h
+++ b/reactos/include/afd/shared.h
@@ -53,7 +53,7 @@ typedef struct _AFD_HANDLE_ {
 typedef struct _AFD_POLL_INFO {
     LARGE_INTEGER		        Timeout;
     ULONG				HandleCount;
-    ULONG				Unknown;
+    PAFD_HANDLE                         InternalUse;
     AFD_HANDLE			        Handles[1];
 } AFD_POLL_INFO, *PAFD_POLL_INFO;