diff --git a/data/scripts/lib/turretgenerator.lua b/data/scripts/lib/turretgenerator.lua
index c4fe4f6..1a5735e 100644
--- a/data/scripts/lib/turretgenerator.lua
+++ b/data/scripts/lib/turretgenerator.lua
@@ -208,7 +208,7 @@ function TurretGenerator.generateHeavyCannonTurret(rand, dps, tech, material, ra
    
     if result.size >= 4 then
         name = "Mass Driver /* weapon name*/"%_T
-        weapom.speed = weapon.speed * 2
+        weapon.speed = weapon.speed * 2
         weapon.reach = weapon.reach * 1.2
     end