diff --git a/dlls/propsys/propsys.spec b/dlls/propsys/propsys.spec
index a2ae5222783..5fa0d9619e8 100644
--- a/dlls/propsys/propsys.spec
+++ b/dlls/propsys/propsys.spec
@@ -89,7 +89,7 @@
 @ stub PSLookupPropertyHandlerCLSID
 @ stub PSPropertyKeyFromString
 @ stub PSRefreshPropertySchema
-@ stub PSRegisterPropertySchema
+@ stdcall PSRegisterPropertySchema(wstr)
 @ stub PSSetPropertyValue
 @ stub PSStringFromPropertyKey
 @ stub PSUnregisterPropertySchema
diff --git a/dlls/propsys/propsys_main.c b/dlls/propsys/propsys_main.c
index 1010d3377b4..ccdf3ed662f 100644
--- a/dlls/propsys/propsys_main.c
+++ b/dlls/propsys/propsys_main.c
@@ -47,3 +47,10 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
 
     return TRUE;
 }
+
+HRESULT WINAPI PSRegisterPropertySchema(PCWSTR path)
+{
+    FIXME("stub\n");
+
+    return E_NOTIMPL;
+}