diff --git a/addons/main/XEH_postInit.sqf b/addons/main/XEH_postInit.sqf
index 4da87308..5474f659 100644
--- a/addons/main/XEH_postInit.sqf
+++ b/addons/main/XEH_postInit.sqf
@@ -11,7 +11,7 @@ GVAR(CalloutCacheNamespace) = call CBA_fnc_createNamespace;
         if !(".p3d" in _string) then {
             _string = _string + ".p3d";
         };
-        GVAR(blockSuppressionModelCache) setVariable [toLower _string, true];
+        GVAR(blockSuppressionModelCache) setVariable [toLowerANSI _string, true];
     };
 } forEach ("private _name = configName _x; _name isKindof 'building' || {_name isKindOf 'Rocks_base_F'}" configClasses (configFile >> "CfgVehicles"));
 
diff --git a/addons/main/functions/VehicleAction/fnc_doSelectWarhead.sqf b/addons/main/functions/VehicleAction/fnc_doSelectWarhead.sqf
index d9eee778..b41e4844 100644
--- a/addons/main/functions/VehicleAction/fnc_doSelectWarhead.sqf
+++ b/addons/main/functions/VehicleAction/fnc_doSelectWarhead.sqf
@@ -47,7 +47,7 @@ if (_switchMuzzle) then {
         private _muzzles = getArray (configFile >> "CfgWeapons" >> _turret >> "muzzles");
 
         // first pass, try to find a muzzle that has the same name
-        private _index = _muzzles findIf {(toUpper _x) in _warheadTypes};
+        private _index = _muzzles findIf {(toUpperANSI _x) in _warheadTypes};
         if (_index > -1 && { // found muzzle with same name
             // one of the mags that can be loaded into that muzzle is in available mags
             ((getArray (configFile >> "CfgWeapons" >> _turret >> (_muzzles select _index) >> "magazines")) arrayIntersect _availableMags) isNotEqualTo []
@@ -74,7 +74,7 @@ if (_muzzle isEqualTo "") then {
             {
                 private _ammo = getText (configFile >> "CfgMagazines" >> _x >> "ammo");
                 if (_ammo isEqualTo "") then {continue};
-                if ((toUpper (getText (configFile >> "CfgAmmo" >> _ammo >> "warheadName"))) in _warheadTypes) then {
+                if ((toUpperANSI (getText (configFile >> "CfgAmmo" >> _ammo >> "warheadName"))) in _warheadTypes) then {
                     _foundMag = _x;
                     break;
                 };
diff --git a/addons/main/functions/fnc_doAnimation.sqf b/addons/main/functions/fnc_doAnimation.sqf
index 956ffc7e..415a30d0 100644
--- a/addons/main/functions/fnc_doAnimation.sqf
+++ b/addons/main/functions/fnc_doAnimation.sqf
@@ -30,7 +30,7 @@ params [
 
 // switchMove "" no longer works in dev 1.37
 if (_animation == "") then {
-    _animation = toLower (animationState _unit);
+    _animation = toLowerANSI (animationState _unit);
 
     // stances are broken for some Animations
     private _stance = switch (_animation select [4, 4]) do {
diff --git a/addons/main/functions/fnc_doCallout.sqf b/addons/main/functions/fnc_doCallout.sqf
index 6f86d512..830a5553 100644
--- a/addons/main/functions/fnc_doCallout.sqf
+++ b/addons/main/functions/fnc_doCallout.sqf
@@ -38,9 +38,9 @@ if (_time >= time) exitWith {
 };
 
 private _speaker = speaker _unit;
-if (toUpper(_speaker) in ["", "ACE_NOVOICE"]) exitWith {}; // Early Exit if Unit is "Mute"
+if (toUpperANSI(_speaker) in ["", "ACE_NOVOICE"]) exitWith {}; // Early Exit if Unit is "Mute"
 
-switch (toLower(_callout)) do {
+switch (toLowerANSI(_callout)) do {
     case ("contact"): {
         _callout = selectRandom ["ContactE_1", "ContactE_2", "ContactE_3", "Danger"];
     };
diff --git a/addons/main/functions/fnc_getShareInformationParams.sqf b/addons/main/functions/fnc_getShareInformationParams.sqf
index 0acd584d..5b60bf30 100644
--- a/addons/main/functions/fnc_getShareInformationParams.sqf
+++ b/addons/main/functions/fnc_getShareInformationParams.sqf
@@ -40,7 +40,7 @@ private _units = units _unit select {
 private _index = _units findIf {
     _x getVariable [QEGVAR(danger,dangerRadio), false]
     //|| {(!isNull objectParent _x && {_x distance2D _unit < 70})}
-    || {"b_radiobag_01_" in (toLower backpack _x)}
+    || {"b_radiobag_01_" in (toLowerANSI backpack _x)}
     || {(getNumber (configFile >> "CfgVehicles" >> (backpack _x) >> "tf_hasLRradio")) isEqualTo 1}
 };
 _radio = _index isNotEqualTo -1;
diff --git a/addons/main/functions/fnc_showDialog.sqf b/addons/main/functions/fnc_showDialog.sqf
index a0d81820..c78e8100 100644
--- a/addons/main/functions/fnc_showDialog.sqf
+++ b/addons/main/functions/fnc_showDialog.sqf
@@ -344,7 +344,7 @@ private _fnc_AddSideSelector = {
 
 private _controls = [];
 {
-    private _type = toUpper (_x select 1);
+    private _type = toUpperANSI (_x select 1);
     switch (_type) do {
         case ("BOOLEAN");
         case ("BOOL"): {