diff --git a/addons/fire/functions/fnc_burn.sqf b/addons/fire/functions/fnc_burn.sqf
index ed9883cf8f..511133bfd0 100644
--- a/addons/fire/functions/fnc_burn.sqf
+++ b/addons/fire/functions/fnc_burn.sqf
@@ -36,10 +36,10 @@ if (getNumber (configOf _unit >> "isPlayableLogic") == 1 || {!(_unit isKindOf "C
 // If unit is invulnerable, don't burn the unit
 if !(isDamageAllowed _unit && {_unit getVariable [QEGVAR(medical,allowDamage), true]}) exitWith {};
 
-private _unitPos = getPosASL _unit;
+private _eyePos = eyePos _unit;
 
-// Check if unit is in water
-if (surfaceIsWater _unitPos && {(_unitPos select 2) < 1}) exitWith {};
+// Check if unit is mostly submerged in water
+if (surfaceIsWater _eyePos && {(_eyePos select 2) < 0.1}) exitWith {};
 
 // If unit is already burning, update intensity, but don't add another PFH
 if (_unit call FUNC(isBurning)) exitWith {
diff --git a/addons/fire/functions/fnc_burnSimulation.sqf b/addons/fire/functions/fnc_burnSimulation.sqf
index e077286b12..27f9957ad7 100644
--- a/addons/fire/functions/fnc_burnSimulation.sqf
+++ b/addons/fire/functions/fnc_burnSimulation.sqf
@@ -40,7 +40,7 @@ _unit setVariable [QGVAR(burnCounter), nil];
     if (
         !(_unit call FUNC(isBurning)) ||
         {!(isDamageAllowed _unit && {_unit getVariable [QEGVAR(medical,allowDamage), true]})} ||
-        {private _unitPos = getPosASL _unit; surfaceIsWater _unitPos && {(_unitPos select 2) < 1}}
+        {private _eyePos = eyePos _unit; surfaceIsWater _eyePos && {(_eyePos select 2) < 0.1}}
     ) exitWith {
         // Remove global effects and simulation
         {