diff -ru tmw-0.5.2-orig/src/guild.cpp tmw-0.5.2/src/guild.cpp

--- tmw-0.5.2-orig/src/guild.cpp	2012-10-05 08:01:09.000000000 +0300

+++ tmw-0.5.2/src/guild.cpp	2021-09-24 19:40:14.995477081 +0300

@@ -172,7 +172,7 @@

 bool Guild::isMember(GuildMember *member) const

 {

-    if (member->mGuild > 0 && member->mGuild != this)

+    if (member->mGuild != 0 && member->mGuild != this)

         return false;

     MemberList::const_iterator itr = mMembers.begin(),

diff -ru tmw-0.5.2-orig/src/party.cpp tmw-0.5.2/src/party.cpp

--- tmw-0.5.2-orig/src/party.cpp	2012-10-05 08:01:09.000000000 +0300

+++ tmw-0.5.2/src/party.cpp	2021-09-24 19:46:32.570694179 +0300

@@ -167,7 +167,7 @@

 bool Party::isMember(PartyMember *member) const

 {

-    if (member->mParty > 0 && member->mParty != this)

+    if (member->mParty != 0 && member->mParty != this)

         return false;

     MemberList::const_iterator itr = mMembers.begin(),