diff --git a/include/shlguid.h b/include/shlguid.h
index 23cce28..d9685e6 100644
--- a/include/shlguid.h
+++ b/include/shlguid.h
@@ -127,6 +127,7 @@
 
 DEFINE_GUID(CLSID_AutoComplete,   0x00bb2763, 0x6a77, 0x11d0, 0xa5, 0x35, 0x00, 0xc0, 0x4f, 0xd7, 0xd0, 0x62);
 DEFINE_GUID(CLSID_ACLMulti,       0x00bb2765, 0x6a77, 0x11d0, 0xa5, 0x35, 0x00, 0xc0, 0x4f, 0xd7, 0xd0, 0x62);
+DEFINE_GUID(CLSID_ACListISF,      0x03c036f1, 0xa186, 0x11d0, 0x82, 0x4a, 0x00, 0xaa, 0x00, 0x5b, 0x043, 0x83);
 
 DEFINE_GUID(CLSID_ProgressDialog, 0xf8383852, 0xfcd3, 0x11d1, 0xa6, 0xb9, 0x0, 0x60, 0x97, 0xdf, 0x5b, 0xd4);