diff --git a/server/gameserver/commands.cc b/server/gameserver/commands.cc
index df209df9..598b2161 100644
--- a/server/gameserver/commands.cc
+++ b/server/gameserver/commands.cc
@@ -337,6 +337,7 @@ void Player::_CMExecCommand(f8::MsgHdr* hdr, const cs::CMExecCommand& msg)
                 room->GetCreatureByUniId(a8::XValue(cmds[1]).GetInt());
             int attr_id = a8::XValue(cmds[2]);
             float value = a8::XValue(cmds[3]).GetDouble();
+            int source_type = cmds.size() > 4 ? a8::XValue(cmds[4]).GetInt() : kAstOther;
             if (target) {
                 auto handle = target->GetAbility()->AddAttr(attr_id, value);
                 std::vector<std::string> strings = target->GetAbility()->GMShowAttrs();
@@ -351,7 +352,7 @@ void Player::_CMExecCommand(f8::MsgHdr* hdr, const cs::CMExecCommand& msg)
                          {
                              return source_name;
                          });
-                    target->GetAbility()->SetSource(handle, kAstOther, cb);
+                    target->GetAbility()->SetSource(handle, source_type, cb);
                 }
             }
         }