diff --git a/.travis.yml b/.travis.yml
index b94f25302..90c0c9c7b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,16 +1,16 @@
 language: c
 compiler:
-  - gcc
-  - clang
+- gcc
+- clang
 before_install:
-  - sudo apt-get update -qq
+- sudo apt-get update -qq
 install:
-  - sudo apt-get install -qq zlib1g-dev libtolua-dev liblua5.1-dev libncurses5-dev libsqlite3-dev libxml2-dev valgrind clang
+- sudo apt-get install -qq zlib1g-dev libtolua-dev liblua5.1-dev libncurses5-dev libsqlite3-dev libxml2-dev valgrind clang
 script:
-  - s/travis-build
+- s/travis-build
 os:
-  - linux
-  - osx
+- linux
+- osx
 notifications:
   slack:
-    secure: F89aXLWaE125PaJIlETv12jT4EfH6wLXJmGCPZzrN3OcLn2ahDWqjwuzR7lOEDf2nAISmeMPyDZMhEHXLNHAE5qP6lg9yliYQw5hzGmDK9m1xUq/pPEne/b2Y7K3my1mkRZ6n3asbHgSmBWAfCIk1JN8R5Rv+rmbLuWLc+zofts=
+    secure: F89aXLWaE125PaJIlETv12jT4EfH6wLXJmGCPZzrN3OcLn2ahDWqjwuzR7lOEDf2nAISmeMPyDZMhEHXLNHAE5qP6lg9yliYQw5hzGmDK9m1xUq/pPEne/b2Y7K3my1mkRZ6n3asbHgSmBWAfCIk1JN8R5Rv+rmbLuWLc+zofts=
\ No newline at end of file
diff --git a/scripts/tests/e3/castles.lua b/scripts/tests/e3/castles.lua
index 1aa2bb17c..b9cbabe0b 100644
--- a/scripts/tests/e3/castles.lua
+++ b/scripts/tests/e3/castles.lua
@@ -25,3 +25,28 @@ function test_small_castles()
 	assert_equal("site", b:get_typename(9))
 	assert_equal("fortification", b:get_typename(10))
 end
+
+function test_build_normal()
+	local r = region.create(0, 0, "plain")
+	local f = faction.create("noreply@eressea.de", "human", "de")
+	local u = unit.create(f, r, 1)
+    u:clear_orders()
+    u:add_item("stone", 10)
+    u:set_skill("building", 10)
+    u:add_order("MACHE BURG")
+    process_orders()
+    assert_not_nil(u.building)
+    assert_equal(10, u.building.size)
+end
+
+function test_build_packice()
+	local r = region.create(0, 0, "packice")
+	local f = faction.create("noreply@eressea.de", "human", "de")
+	local u = unit.create(f, r, 1)
+    u:clear_orders()
+    u:add_item("stone", 10)
+    u:set_skill("building", 10)
+    u:add_order("MACHE BURG")
+    process_orders()
+    assert_equal(nil, u.building)
+end