diff --git a/.gitignore b/.gitignore
index 182a78aa1f85b2b69ac85452b2d87fbd87e68e56..285f67f351ae8abf4d088f0364417b2f55d4883d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,10 +16,17 @@ __pycache__/
 .devcontainer/
 .sync/
 .idea/
+.vscode-server
 
 # Simulation results
 output/
 logs/
 
+# Input files
+stl/
+
+# Scripts
+scripts/
+
 # MacOS
 .DS_Store
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5805108c4864dbdb2eca3a497ae876503524a429..d7aae3233d1f17e804e29ba3090d7a3bc9ca8a3f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -170,7 +170,9 @@ endif()
 
 if(BUILD_USE_MPI)
     find_package(MPI REQUIRED)
-    #list(APPEND VF_COMPILER_DEFINITION VF_MPI)
+    if(BUILD_VF_CPU)
+        list(APPEND VF_COMPILER_DEFINITION VF_MPI)
+    endif()
 endif()
 
 # boost
diff --git a/Containers/dockerfiles/Ubuntu20_04.Dockerfile b/Containers/dockerfiles/Ubuntu20_04.Dockerfile
index 537efec86ec7b20f23e966c5b65acf4a1ce91316..93ff4f896b6ce1518661bb343ed2bfd94ebbbf89 100644
--- a/Containers/dockerfiles/Ubuntu20_04.Dockerfile
+++ b/Containers/dockerfiles/Ubuntu20_04.Dockerfile
@@ -45,4 +45,4 @@ RUN apt-get update &&   \
         pyvista          \
         numpy            \
         ansible          \
-        gcovr==5.1
\ No newline at end of file
+        'jinja2<3.1' gcovr==5.0