diff --git a/addons/fire/functions/fnc_burn.sqf b/addons/fire/functions/fnc_burn.sqf
index cd8bad71d4..1cf0fc6759 100644
--- a/addons/fire/functions/fnc_burn.sqf
+++ b/addons/fire/functions/fnc_burn.sqf
@@ -5,8 +5,8 @@
  *
  * Arguments:
  * 0: Unit <OBJECT>
- * 1: Intensity of fire <NUMBER>
- * 2: Instigator of fire <OBJECT> (default: objNull)
+ * 1: Fire intensity <NUMBER>
+ * 2: Fire instigator <OBJECT> (default: objNull)
  *
  * Return Value:
  * None
@@ -54,6 +54,11 @@ 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 {
+    // Only allow intensity to be increased
+    if (_intensity <= (_unit getVariable [QGVAR(intensity), 0])) exitWith {
+        TRACE_2("unit already burning, no intensity update",_unit,_intensity);
+    };
+
     TRACE_2("unit already burning, updating intensity",_unit,_intensity);
 
     _unit setVariable [QGVAR(intensity), _intensity, true];
@@ -63,7 +68,7 @@ TRACE_2("setting unit ablaze",_unit,_intensity);
 
 _unit setVariable [QGVAR(intensity), _intensity, true];
 
-// Fire simulation (objects are handled differently)
+// Fire simulation (fire sources are handled differently)
 [QGVAR(burnSimulation), [_unit, _instigator], _unit] call CBA_fnc_targetEvent;
 
 // Spawn effects for unit
diff --git a/addons/fire/functions/fnc_burnEffects.sqf b/addons/fire/functions/fnc_burnEffects.sqf
index da69020721..4dadda8526 100644
--- a/addons/fire/functions/fnc_burnEffects.sqf
+++ b/addons/fire/functions/fnc_burnEffects.sqf
@@ -76,7 +76,7 @@ if (isServer) then {
     };
 
     // Display burn indicators
-    if (_unit == ACE_player && {alive _unit} && {isNil {_unit getVariable QGVAR(burnUIPFH)}}) then { // this accounts for player remote controlled a new unit
+    if (_unit == ACE_player && {alive _unit} && {isNil {_unit getVariable QGVAR(burnUIPFH)}}) then { // This accounts for player remote controlled a new unit
         private _burnIndicatorPFH = [LINKFUNC(burnIndicator), 1, _unit] call CBA_fnc_addPerFrameHandler;
         _unit setVariable [QGVAR(burnUIPFH), _burnIndicatorPFH];
     };
@@ -120,7 +120,7 @@ if (isServer) then {
     _fireParticle setParticleRandom [
         0.04 * _intensity, // life time
         [0.05, 0.05, 2], // position
-        [0.05 * _intensity, 0.05 * _intensity, 0.05 * _intensity], // move velocity
+        [0.05, 0.05, 0.05] vectorMultiply _intensity, // move velocity
         0, // rotation velocity
         0.06 * _intensity, // size
         [0, 0, 0, 0], // color
diff --git a/addons/fire/functions/fnc_burnSimulation.sqf b/addons/fire/functions/fnc_burnSimulation.sqf
index 908ccb5ee0..8a1dddfc15 100644
--- a/addons/fire/functions/fnc_burnSimulation.sqf
+++ b/addons/fire/functions/fnc_burnSimulation.sqf
@@ -164,6 +164,6 @@ params ["_unit", "_instigator"];
         // Use event directly, as ace_medical_fnc_addDamageToUnit requires unit to be alive
         [QEGVAR(medical,woundReceived), [_unit, [[_damageToAdd, _bodyPart, _damageToAdd]], _instigator, "burn"]] call CBA_fnc_localEvent;
 
-        _unit setVariable [QGVAR(intensity), _intensity, true]; // globally sync intensity across all clients to make sure simulation is deterministic
+        _unit setVariable [QGVAR(intensity), _intensity, true]; // Globally sync intensity across all clients to make sure simulation is deterministic
     };
 }, BURN_PROPAGATE_UPDATE, [_unit, _instigator]] call CBA_fnc_addPerFrameHandler;