diff --git a/addons/sitting/functions/fnc_canSit.sqf b/addons/sitting/functions/fnc_canSit.sqf
index 9b596733acb..5c8ea3be549 100644
--- a/addons/sitting/functions/fnc_canSit.sqf
+++ b/addons/sitting/functions/fnc_canSit.sqf
@@ -22,8 +22,12 @@ params ["_seat", "_player", ["_seatPos", 0]];
 // Sitting enabled, not occupied and standing up (or not on a big slope)
 XGVAR(enable) &&
 {isNil {_player getVariable QGVAR(sittingStatus)}} &&
-{
+{round (vectorUp _seat select 0) == 0 && {round (vectorUp _seat select 1) == 0} && {round (vectorUp _seat select 2) == 1}} && {
     private _seatsClaimed = _seat getVariable [QGVAR(seatsClaimed), []];
-    _seatsClaimed isEqualTo [] || {isNull (_seatsClaimed select _seatPos)}
-} &&
-{round (vectorUp _seat select 0) == 0 && {round (vectorUp _seat select 1) == 0} && {round (vectorUp _seat select 2) == 1}}
+
+    (_seatsClaimed isEqualTo [] || {isNull (_seatsClaimed select _seatPos)}) && {
+        ([_player, _seat] call EFUNC(common,canInteractWith)) ||  // not claimed (common case)
+        // Can self-interact and chair claimed by another sitter
+        {([_player, objNull] call EFUNC(common,canInteractWith)) && {(_seatsClaimed findIf {!isNull _x}) != -1}}
+    }
+}