diff --git a/CMakeLists.txt b/CMakeLists.txt
index a584d5888f93552a4ed608aa5fdb2439055646e2..bb4c36785ecb4bdf4964eafb7542854c17dcc162 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -549,7 +549,7 @@ endif()
       PATTERN "*_debug.*" EXCLUDE)
     ADD_CUSTOM_COMMAND(
       TARGET ${PROJECT_NAME} POST_BUILD
-      COMMAND ruby ${CMAKE_SOURCE_DIR}/ruby/fixup/fixup.rb ${EXECUTABLE}
+      COMMAND ruby ${PROJECT_SOURCE_DIR}/ruby/fixup/fixup.rb ${EXECUTABLE}
       COMMENT "Fixing up the app bundle")
   ENDIF(APPLE)
 
diff --git a/install_packages_debian.txt b/install_packages_debian.txt
index 58cba971fd740c39e0d05ebbcdbf0ea3eab343b5..4f7ba9be4d3cac191ccf1d93ac585642c72784ec 100644
--- a/install_packages_debian.txt
+++ b/install_packages_debian.txt
@@ -13,3 +13,9 @@ brew install vtk --with-qt --without-python --without-boost  --build-from-source
 sudo apt-get install libmgl-qt5
 sudo apt-get install libvtk5-dev
 sudo apt-get install libvtk5.8-qt4
+* ubuntu docker
+- cmake
+- git
+- g++
+- libvtk5-dev
+- libvtk5-qt4-dev
diff --git a/samples/tribuneStadium/arena_geometry.xml b/samples/tribuneStadium/arena_geometry.xml
index 0df11bd87aba74ba0ca01909cef5023f2f15c56c..a00dc1b18baa89624be85ed6e427f619bda5407a 100644
--- a/samples/tribuneStadium/arena_geometry.xml
+++ b/samples/tribuneStadium/arena_geometry.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 
-<geometry version="0.5" caption="arena_section" unit="m"
+<geometry version="0.8" caption="arena_section" unit="m"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xsi:noNamespaceSchemaLocation="../../xsd/jps_geometry.xsd">
   <rooms>