diff --git a/dlls/pdh/pdh.spec b/dlls/pdh/pdh.spec
index 135692f8c67..7486606db10 100644
--- a/dlls/pdh/pdh.spec
+++ b/dlls/pdh/pdh.spec
@@ -38,10 +38,10 @@
 @ stub PdhEnumObjectsW
 @ stub PdhExpandCounterPathA
 @ stub PdhExpandCounterPathW
-@ stub PdhExpandWildCardPathA
+@ stdcall PdhExpandWildCardPathA(str str ptr ptr long)
 @ stub PdhExpandWildCardPathHA
 @ stub PdhExpandWildCardPathHW
-@ stub PdhExpandWildCardPathW
+@ stdcall PdhExpandWildCardPathW(wstr wstr ptr ptr long)
 @ stub PdhFormatFromRawValue
 @ stdcall PdhGetCounterInfoA(ptr long ptr ptr)
 @ stdcall PdhGetCounterInfoW(ptr long ptr ptr)
diff --git a/dlls/pdh/pdh_main.c b/dlls/pdh/pdh_main.c
index 9ca174b957e..7f08c923784 100644
--- a/dlls/pdh/pdh_main.c
+++ b/dlls/pdh/pdh_main.c
@@ -599,6 +599,24 @@ PDH_STATUS WINAPI PdhCollectQueryDataWithTime( PDH_HQUERY handle, LONGLONG *time
     return ERROR_SUCCESS;
 }
 
+/***********************************************************************
+ *              PdhExpandWildCardPathA   (PDH.@)
+ */
+PDH_STATUS WINAPI PdhExpandWildCardPathA( LPCSTR szDataSource, LPCSTR szWildCardPath, LPSTR mszExpandedPathList, LPDWORD pcchPathListLength, DWORD dwFlags )
+{
+    FIXME("%s, %s, %p, %p, 0x%x: stub\n", debugstr_a(szDataSource), debugstr_a(szWildCardPath), mszExpandedPathList, pcchPathListLength, dwFlags);
+    return PDH_NOT_IMPLEMENTED;
+}
+
+/***********************************************************************
+ *              PdhExpandWildCardPathW   (PDH.@)
+ */
+PDH_STATUS WINAPI PdhExpandWildCardPathW( LPCWSTR szDataSource, LPCWSTR szWildCardPath, LPWSTR mszExpandedPathList, LPDWORD pcchPathListLength, DWORD dwFlags )
+{
+    FIXME("%s, %s, %p, %p, 0x%x: stub\n", debugstr_w(szDataSource), debugstr_w(szWildCardPath), mszExpandedPathList, pcchPathListLength, dwFlags);
+    return PDH_NOT_IMPLEMENTED;
+}
+
 /***********************************************************************
  *              PdhGetCounterInfoA   (PDH.@)
  */