diff --git a/api.lua b/api.lua
index 0c2a531..3df7341 100644
--- a/api.lua
+++ b/api.lua
@@ -115,7 +115,7 @@ local function fire(stack, player)
 	if pointed and pointed.type == "object" then
 		local target = pointed.ref
 		local point = pointed.intersection_point
-		local dmg = base_dmg * def.dmg_mult
+		local dmg = def.base_dmg * def.dmg_mult
 
 		-- Add 50% damage if headshot
 		if point.y > target:get_pos().y + 1.5 then
@@ -308,7 +308,9 @@ function gunslinger.register_gun(name, def)
 			return entity:on_rightclick(player) or on_rclick(stack, player)
 		end
 	end
-
+	if not def.dmg_mult then
+		def.dmg_mult = 1
+	end
 	if not def.fire_sound then
 		def.fire_sound = (def.mode ~= "splash")
 			and "gunslinger_fire1" or "gunslinger_fire2"