diff --git a/reactos/include/psdk/wininet.h b/reactos/include/psdk/wininet.h
index aeef6eb9569..4aae40ad677 100644
--- a/reactos/include/psdk/wininet.h
+++ b/reactos/include/psdk/wininet.h
@@ -581,6 +581,7 @@ INTERNETAPI INTERNET_STATUS_CALLBACK WINAPI InternetSetStatusCallbackW(HINTERNET
 #define INTERNET_STATUS_CONNECTION_CLOSED       51
 #define INTERNET_STATUS_HANDLE_CREATED          60
 #define INTERNET_STATUS_HANDLE_CLOSING          70
+#define INTERNET_STATUS_DETECTING_PROXY         80
 #define INTERNET_STATUS_REQUEST_COMPLETE        100
 #define INTERNET_STATUS_REDIRECT                110
 #define INTERNET_STATUS_INTERMEDIATE_RESPONSE   120
diff --git a/reactos/include/psdk/winternl.h b/reactos/include/psdk/winternl.h
index 21133bd659b..037eb3b3c94 100644
--- a/reactos/include/psdk/winternl.h
+++ b/reactos/include/psdk/winternl.h
@@ -1622,6 +1622,11 @@ typedef enum _IO_COMPLETION_INFORMATION_CLASS {
   IoCompletionBasicInformation
 } IO_COMPLETION_INFORMATION_CLASS, *PIO_COMPLETION_INFORMATION_CLASS;
 
+typedef struct _FILE_COMPLETION_INFORMATION {
+    HANDLE CompletionPort;
+    ULONG_PTR CompletionKey;
+} FILE_COMPLETION_INFORMATION, *PFILE_COMPLETION_INFORMATION;
+
 typedef enum _HARDERROR_RESPONSE_OPTION {
   OptionAbortRetryIgnore,
   OptionOk,