diff --git a/mods/d2k/maps/atreides-03a/atreides03a.lua b/mods/d2k/maps/atreides-03a/atreides03a.lua
index fae7ff5b51..d7cf68ec82 100644
--- a/mods/d2k/maps/atreides-03a/atreides03a.lua
+++ b/mods/d2k/maps/atreides-03a/atreides03a.lua
@@ -91,7 +91,7 @@ Tick = function()
 		player.MarkCompletedObjective(KillOrdos)
 	end
 
-	if DateTime.GameTime % DateTime.Seconds(30) and LastHarvesterEaten[ordos] then
+	if DateTime.GameTime % DateTime.Seconds(10) == 0 and LastHarvesterEaten[ordos] then
 		local units = ordos.GetActorsByType("harvester")
 
 		if #units > 0 then
diff --git a/mods/d2k/maps/atreides-03b/atreides03b.lua b/mods/d2k/maps/atreides-03b/atreides03b.lua
index 1f349f4833..2c7f717c86 100644
--- a/mods/d2k/maps/atreides-03b/atreides03b.lua
+++ b/mods/d2k/maps/atreides-03b/atreides03b.lua
@@ -91,7 +91,7 @@ Tick = function()
 		player.MarkCompletedObjective(KillOrdos)
 	end
 
-	if DateTime.GameTime % DateTime.Seconds(30) and LastHarvesterEaten[ordos] then
+	if DateTime.GameTime % DateTime.Seconds(10) == 0 and LastHarvesterEaten[ordos] then
 		local units = ordos.GetActorsByType("harvester")
 
 		if #units > 0 then
diff --git a/mods/d2k/maps/atreides-04/atreides04.lua b/mods/d2k/maps/atreides-04/atreides04.lua
index ea259b1e15..bdaaa5adb7 100644
--- a/mods/d2k/maps/atreides-04/atreides04.lua
+++ b/mods/d2k/maps/atreides-04/atreides04.lua
@@ -114,7 +114,7 @@ Tick = function()
 		player.MarkCompletedObjective(KeepIntegrity)
 	end
 
-	if DateTime.GameTime % DateTime.Seconds(30) and LastHarvesterEaten[harkonnen] then
+	if DateTime.GameTime % DateTime.Seconds(10) == 0 and LastHarvesterEaten[harkonnen] then
 		local units = harkonnen.GetActorsByType("harvester")
 
 		if #units > 0 then
diff --git a/mods/d2k/maps/atreides-05/atreides05.lua b/mods/d2k/maps/atreides-05/atreides05.lua
index c2a66d83d5..d6969bf604 100644
--- a/mods/d2k/maps/atreides-05/atreides05.lua
+++ b/mods/d2k/maps/atreides-05/atreides05.lua
@@ -260,7 +260,7 @@ Tick = function()
 		player.MarkCompletedObjective(KillSmuggler)
 	end
 
-	if LastHarvesterEaten[harkonnen] and DateTime.GameTime % DateTime.Seconds(30) then
+	if LastHarvesterEaten[harkonnen] and DateTime.GameTime % DateTime.Seconds(10) == 0 then
 		local units = harkonnen.GetActorsByType("harvester")
 
 		if #units > 0 then
diff --git a/mods/d2k/maps/harkonnen-03a/harkonnen03a.lua b/mods/d2k/maps/harkonnen-03a/harkonnen03a.lua
index fbc922bacc..2aa401d296 100644
--- a/mods/d2k/maps/harkonnen-03a/harkonnen03a.lua
+++ b/mods/d2k/maps/harkonnen-03a/harkonnen03a.lua
@@ -107,7 +107,7 @@ Tick = function()
 		player.MarkCompletedObjective(KillAtreides)
 	end
 
-	if DateTime.GameTime % DateTime.Seconds(30) and LastHarvesterEaten[atreides] then
+	if DateTime.GameTime % DateTime.Seconds(10) == 0 and LastHarvesterEaten[atreides] then
 		local units = atreides.GetActorsByType("harvester")
 
 		if #units > 0 then
diff --git a/mods/d2k/maps/harkonnen-03b/harkonnen03b.lua b/mods/d2k/maps/harkonnen-03b/harkonnen03b.lua
index bd98462233..fb24efafef 100644
--- a/mods/d2k/maps/harkonnen-03b/harkonnen03b.lua
+++ b/mods/d2k/maps/harkonnen-03b/harkonnen03b.lua
@@ -109,7 +109,7 @@ Tick = function()
 		player.MarkCompletedObjective(KillAtreides)
 	end
 
-	if DateTime.GameTime % DateTime.Seconds(30) and LastHarvesterEaten[atreides] then
+	if DateTime.GameTime % DateTime.Seconds(10) == 0 and LastHarvesterEaten[atreides] then
 		local units = atreides.GetActorsByType("harvester")
 
 		if #units > 0 then
diff --git a/mods/d2k/maps/harkonnen-04/harkonnen04.lua b/mods/d2k/maps/harkonnen-04/harkonnen04.lua
index a99149ce64..184e87accb 100644
--- a/mods/d2k/maps/harkonnen-04/harkonnen04.lua
+++ b/mods/d2k/maps/harkonnen-04/harkonnen04.lua
@@ -142,7 +142,7 @@ Tick = function()
 		player.MarkCompletedObjective(KillFremen)
 	end
 
-	if DateTime.GameTime % DateTime.Seconds(30) and LastHarvesterEaten[atreides] then
+	if DateTime.GameTime % DateTime.Seconds(10) == 0 and LastHarvesterEaten[atreides] then
 		local units = atreides.GetActorsByType("harvester")
 
 		if #units > 0 then
diff --git a/mods/d2k/maps/ordos-03a/ordos03a.lua b/mods/d2k/maps/ordos-03a/ordos03a.lua
index da006aea21..31b4396ab1 100644
--- a/mods/d2k/maps/ordos-03a/ordos03a.lua
+++ b/mods/d2k/maps/ordos-03a/ordos03a.lua
@@ -90,7 +90,7 @@ Tick = function()
 		player.MarkCompletedObjective(KillHarkonnen)
 	end
 
-	if DateTime.GameTime % DateTime.Seconds(30) and LastHarvesterEaten[harkonnen] then
+	if DateTime.GameTime % DateTime.Seconds(10) == 0 and LastHarvesterEaten[harkonnen] then
 		local units = harkonnen.GetActorsByType("harvester")
 
 		if #units > 0 then
diff --git a/mods/d2k/maps/ordos-03b/ordos03b.lua b/mods/d2k/maps/ordos-03b/ordos03b.lua
index 05e0855ff9..c3b608c3f4 100644
--- a/mods/d2k/maps/ordos-03b/ordos03b.lua
+++ b/mods/d2k/maps/ordos-03b/ordos03b.lua
@@ -127,7 +127,7 @@ Tick = function()
 		player.MarkCompletedObjective(KillHarkonnen)
 	end
 
-	if DateTime.GameTime % DateTime.Seconds(30) and LastHarvesterEaten[harkonnen] then
+	if DateTime.GameTime % DateTime.Seconds(10) == 0 and LastHarvesterEaten[harkonnen] then
 		local units = harkonnen.GetActorsByType("harvester")
 
 		if #units > 0 then
diff --git a/mods/d2k/maps/ordos-04/ordos04.lua b/mods/d2k/maps/ordos-04/ordos04.lua
index eca9d45e93..96e3408d6a 100644
--- a/mods/d2k/maps/ordos-04/ordos04.lua
+++ b/mods/d2k/maps/ordos-04/ordos04.lua
@@ -71,7 +71,7 @@ Hunt = function(house)
 end
 
 CheckHarvester = function(house)
-	if DateTime.GameTime % DateTime.Seconds(30) and LastHarvesterEaten[house] then
+	if DateTime.GameTime % DateTime.Seconds(10) == 0 and LastHarvesterEaten[house] then
 		local units = house.GetActorsByType("harvester")
 
 		if #units > 0 then