diff --git a/dlls/urlmon/urlmon.spec b/dlls/urlmon/urlmon.spec
index 1a409c371e2..41bd2634571 100644
--- a/dlls/urlmon/urlmon.spec
+++ b/dlls/urlmon/urlmon.spec
@@ -94,6 +94,8 @@
 @ stub WriteHitLogging
 @ stub ZonesReInit
 
+331 stdcall @(ptr long ptr) propsys.InitPropVariantFromBuffer
+335 stdcall @(ptr long ptr) propsys.InitVariantFromBuffer
 362 stdcall @(ptr ptr) propsys.InitVariantFromGUIDAsString
 410 stdcall @(long long) URLMON_410
 423 stdcall @(long long long long) URLMON_423