diff --git a/addons/fcs/CfgWeapons.hpp b/addons/fcs/CfgWeapons.hpp
index ec72bc6f44..760e39e2de 100644
--- a/addons/fcs/CfgWeapons.hpp
+++ b/addons/fcs/CfgWeapons.hpp
@@ -12,7 +12,7 @@ class CfgWeapons {
     };
     class autocannon_35mm: CannonCore {
         canLock = 0;
-        ballisticsComputer = 0;
+        ballisticsComputer = 4; //was "4 + 2", 2 is for manual zeroing, 4 is for the lead indicator - https://community.bistudio.com/wiki/A3_Locking_Review#ballisticsComputer
         magazines[] += {"ACE_120Rnd_35mm_ABM_shells","ACE_120Rnd_35mm_ABM_shells_Tracer_Red","ACE_120Rnd_35mm_ABM_shells_Tracer_Green","ACE_120Rnd_35mm_ABM_shells_Tracer_Yellow"};
     };