diff --git a/HySoP/CMakeLists.txt b/HySoP/CMakeLists.txt
index 8d1b89e11e86e3a6c92abdac6c8be40a832ce3ec..94648f14f6502dc6a9f24710fa9a3b188ca2e4df 100644
--- a/HySoP/CMakeLists.txt
+++ b/HySoP/CMakeLists.txt
@@ -93,6 +93,9 @@ if(NOT PYTHONLIBS_VERSION_STRING VERSION_EQUAL PYTHON_VERSION_STRING)
 endif()
 
 find_python_module(numpy REQUIRED)
+find_python_module(scitools REQUIRED)
+find_python_module(evtk)
+
 #Install dir for python (default = --user)
 execute_process(
   COMMAND ${PYTHON_EXECUTABLE} -c "import site ; print site.USER_SITE"