diff --git a/mingw-w64-headers/ddk/include/ddk/ntifs.h b/mingw-w64-headers/ddk/include/ddk/ntifs.h
index e2dc959..673eb36 100644
--- a/mingw-w64-headers/ddk/include/ddk/ntifs.h
+++ b/mingw-w64-headers/ddk/include/ddk/ntifs.h
@@ -4254,8 +4254,8 @@
   ULONG ResponseLevel;
   ULONG NumberEntries;
   _ANONYMOUS_UNION union {
-    STORAGE_QUERY_DEPENDENT_VOLUME_LEV1_ENTRY Lev1Depends[];
-    STORAGE_QUERY_DEPENDENT_VOLUME_LEV2_ENTRY Lev2Depends[];
+    STORAGE_QUERY_DEPENDENT_VOLUME_LEV1_ENTRY Lev1Depends[0];
+    STORAGE_QUERY_DEPENDENT_VOLUME_LEV2_ENTRY Lev2Depends[0];
   } DUMMYUNIONNAME;
 } STORAGE_QUERY_DEPENDENT_VOLUME_RESPONSE, *PSTORAGE_QUERY_DEPENDENT_VOLUME_RESPONSE;