diff --git a/data/campaigns/Heir_To_The_Throne/scenarios/17_Scepter_of_Fire.cfg b/data/campaigns/Heir_To_The_Throne/scenarios/17_Scepter_of_Fire.cfg
index 811488eb276e4..78f14a1cba29e 100644
--- a/data/campaigns/Heir_To_The_Throne/scenarios/17_Scepter_of_Fire.cfg
+++ b/data/campaigns/Heir_To_The_Throne/scenarios/17_Scepter_of_Fire.cfg
@@ -27,7 +27,7 @@
         #
         [chamber]
             id=player
-            x=15-35
+            x=15..35
             y=65
             size=8
             jagged=50
@@ -42,8 +42,8 @@
         #
         [chamber]
             id=antechamber_1
-            x=10-25
-            y=50-60
+            x=10..25
+            y=50..60
             size=7
             jagged=5
             {PASSAGE_NORMAL player 2 10 10}
@@ -54,8 +54,8 @@
         [/chamber]
         [chamber]
             id=antechamber_2
-            x=25-40
-            y=50-60
+            x=25..40
+            y=50..60
             size=7
             jagged=2
             {PASSAGE_NORMAL player 2 3 1}
@@ -71,8 +71,8 @@
         #
         [chamber]
             id=center
-            x=25-26
-            y=35-36
+            x=25..26
+            y=35..36
             size=2
             jagged=1
             {PASSAGE_NORMAL antechamber_1 1 20 3}
@@ -85,8 +85,8 @@
         #
         [chamber]
             id=mini_1
-            x=10-16
-            y=36-40
+            x=10..16
+            y=36..40
             size=5
             jagged=2
             {PASSAGE_NORMAL center 1 5 2}
@@ -94,8 +94,8 @@
         [/chamber]
         [chamber]
             id=mini_2
-            x=8-20
-            y=17-26
+            x=8..20
+            y=17..26
             size=5
             jagged=3
             {PASSAGE_NORMAL center 1 5 2}
@@ -103,8 +103,8 @@
         [/chamber]
         [chamber]
             id=mini_3
-            x=6-44
-            y=14-30
+            x=6..44
+            y=14..30
             size=3
             jagged=4
             {PASSAGE_NORMAL center 1 5 2}
@@ -115,8 +115,8 @@
         [/chamber]
         [chamber]
             id=mini_4
-            x=30-42
-            y=17-26
+            x=30..42
+            y=17..26
             size=5
             jagged=5
             {PASSAGE_NORMAL center 1 5 2}
@@ -124,8 +124,8 @@
         [/chamber]
         [chamber]
             id=mini_5
-            x=34-40
-            y=36-40
+            x=34..40
+            y=36..40
             size=5
             jagged=5
             {PASSAGE_NORMAL mini_4 2 5 2}
@@ -148,8 +148,8 @@
         #
         [chamber]
             id=enemy_1
-            x=6-15
-            y=45-55
+            x=6..15
+            y=45..55
             size=5
             jagged=3
             {PASSAGE_NORMAL mini_1 2 5 2}
@@ -162,8 +162,8 @@
         [/chamber]
         [chamber]
             id=enemy_2
-            x=6-15
-            y=1-35
+            x=6..15
+            y=1..35
             size=5
             jagged=3
             {PASSAGE_NORMAL mini_2 2 5 2}
@@ -177,8 +177,8 @@
         [/chamber]
         [chamber]
             id=enemy_3
-            x=35-45
-            y=1-35
+            x=35..45
+            y=1..35
             size=5
             jagged=3
             {PASSAGE_NORMAL mini_4 2 5 2}
@@ -191,8 +191,8 @@
         [/chamber]
         [chamber]
             id=enemy_4
-            x=35-45
-            y=45-55
+            x=35..45
+            y=45..55
             size=5
             jagged=3
             {PASSAGE_NORMAL mini_5 2 5 2}
diff --git a/data/campaigns/Sceptre_of_Fire/scenarios/4_Gathering_Materials.cfg b/data/campaigns/Sceptre_of_Fire/scenarios/4_Gathering_Materials.cfg
index f65c05e2b30b6..025ba22bd0a6b 100644
--- a/data/campaigns/Sceptre_of_Fire/scenarios/4_Gathering_Materials.cfg
+++ b/data/campaigns/Sceptre_of_Fire/scenarios/4_Gathering_Materials.cfg
@@ -34,8 +34,8 @@
         #the chamber with the player. Near the south-west corner
         [chamber]
             id=player
-            x=10-15
-            y=32-38
+            x=10..15
+            y=32..38
             size=7
             jagged=40
             [item_location]
@@ -47,8 +47,8 @@
         #the chamber with the coal. Somewhere in the southeast.
         [chamber]
             id=coal1
-            x=28-35
-            y=28-35
+            x=28..35
+            y=28..35
             size=8
             [passage]
                 chance=70
@@ -83,8 +83,8 @@
         #the northern chamber with only bad guys. Somewhere in the north-east.
         [chamber]
             id=gold
-            x=28-35
-            y=5-12
+            x=28..35
+            y=5..12
             size=8
             jagged=50
             [passage]
@@ -120,8 +120,8 @@
         #chamber with the second coal mine. Somewhere in the north-west.
         [chamber]
             id=coal2
-            x=8-12
-            y=8-12
+            x=8..12
+            y=8..12
             size=7
             [passage]
                 chance=70
@@ -156,8 +156,8 @@
         #chamber with gold in it that connects to all the others
         [chamber]
             id=connector
-            x=15-20
-            y=15-20
+            x=15..20
+            y=15..20
             size=4
             #passages to both the troll's chamber and the player’s chamber
             [passage]
diff --git a/data/lua/cave_map_generator.lua b/data/lua/cave_map_generator.lua
index 32113bccadf68..11b6c8193b1c2 100644
--- a/data/lua/cave_map_generator.lua
+++ b/data/lua/cave_map_generator.lua
@@ -42,8 +42,7 @@ function callbacks.generate_map(params)
 
 	for chamber in helper.child_range(params, "chamber") do
 		local chance = tonumber(chamber.chance) or 100
-		local x = helper.rand(chamber.x)
-		local y = helper.rand(chamber.y)
+		local x, y = MG.random_location(chamber.x, chamber.y)
 		local id = chamber.id
 		if chance == 0 or random(100) > chance then
 			-- Set chance to 0 so that the scenario generator can tell which chambers were used
diff --git a/data/lua/mapgen_helper.lua b/data/lua/mapgen_helper.lua
index bb1ee0d597df5..e179046265647 100644
--- a/data/lua/mapgen_helper.lua
+++ b/data/lua/mapgen_helper.lua
@@ -1,4 +1,5 @@
 local LS = wesnoth.require "lua/location_set.lua"
+local helper = wesnoth.require "lua/helper.lua"
 
 local mapgen_helper, map_mt = {}, {__index = {}}
 
@@ -10,6 +11,21 @@ function mapgen_helper.create_map(width,height,default_terrain)
 	return map
 end
 
+function mapgen_helper.random_location(x_list, y_list)
+	local x, y
+	if type(x_list) == "number" then
+		x = x_list
+	elseif type(x_list) == "string" then
+		x = tonumber(helper.rand(x_list))
+	end
+	if type(y_list) == "number" then
+		y = y_list
+	elseif type(y_list) == "string" then
+		y = tonumber(helper.rand(y_list))
+	end
+	return x or 0, y or 0
+end
+
 local valid_transforms = {
 	flip_x = true,
 	flip_y = true,
diff --git a/src/generators/lua_map_generator.cpp b/src/generators/lua_map_generator.cpp
index 0ad423dfa8b77..25d6155fbade9 100644
--- a/src/generators/lua_map_generator.cpp
+++ b/src/generators/lua_map_generator.cpp
@@ -66,8 +66,8 @@ std::string lua_map_generator::create_map(boost::optional<uint32_t> seed)
 
 config lua_map_generator::create_scenario(boost::optional<uint32_t> seed)
 {
-	if (!create_scenario_.size()) {
-		return map_generator::create_scenario();
+	if(create_scenario_.empty()) {
+		return map_generator::create_scenario(seed);
 	}
 
 	try {