diff --git a/dlls/winhttp/main.c b/dlls/winhttp/main.c
index 10a02b7854..192ec214a4 100644
--- a/dlls/winhttp/main.c
+++ b/dlls/winhttp/main.c
@@ -281,3 +281,15 @@ BOOL WINAPI WinHttpTimeToSystemTime (LPCWSTR pwszTime, SYSTEMTIME* pst)
     SetLastError(ERROR_NOT_SUPPORTED);
     return FALSE;
 }
+
+/***********************************************************************
+ *          WinHttpQueryHeaders (winhttp.@)
+ */
+BOOL WINAPI WinHttpQueryHeaders (HINTERNET hRequest, DWORD dwInfoLevel, LPCWSTR pwszName,
+                                 LPVOID lpBuffer, LPDWORD lpdwBufferLength, LPDWORD lpdwIndex)
+{
+    FIXME("(%d): stub\n", dwInfoLevel);
+
+    SetLastError(ERROR_NOT_SUPPORTED);
+    return FALSE;
+}
diff --git a/dlls/winhttp/winhttp.spec b/dlls/winhttp/winhttp.spec
index c093898288..fc82609e8a 100644
--- a/dlls/winhttp/winhttp.spec
+++ b/dlls/winhttp/winhttp.spec
@@ -16,7 +16,7 @@
 @ stdcall WinHttpOpenRequest(ptr wstr wstr wstr wstr ptr long)
 @ stub WinHttpQueryAuthSchemes
 @ stdcall WinHttpQueryDataAvailable(ptr ptr)
-@ stub WinHttpQueryHeaders
+@ stdcall WinHttpQueryHeaders(ptr long wstr ptr ptr ptr)
 @ stdcall WinHttpQueryOption(ptr long ptr ptr)
 @ stdcall WinHttpReadData(ptr ptr long ptr)
 @ stdcall WinHttpReceiveResponse(ptr ptr)