diff --git a/docker/Dockerfile_externals b/docker/Dockerfile_externals
index de224ee0cc72be20098147b97343856ca0e3b266..c4fcf79864b4bea4a48821ba439b0b76c07bd81d 100644
--- a/docker/Dockerfile_externals
+++ b/docker/Dockerfile_externals
@@ -29,6 +29,7 @@ EXPOSE 5000
 
 ENV FLASK_APP=test/demo
 ENV FLASK_ENV=development
+ENV UserOption=false
 
 ENV LC_ALL=C.UTF-8
 ENV LANG=C.UTF-8
diff --git a/docker/run_externals.sh b/docker/run_externals.sh
index c2e16b83bc1bc78a518f53f1205c652f7dc210a9..f355cedcec061740f94cb191cc589c5e90907b95 100755
--- a/docker/run_externals.sh
+++ b/docker/run_externals.sh
@@ -6,4 +6,4 @@ SCRIPT_NAME=${BASH_SOURCE[0]}
 cd `dirname ${SCRIPT_NAME}`
 
 # Flask opère sur le port 5000
-docker run -it --rm -p 5000:5000 -v $PWD/..:/work -w /work --env LT_CFG="${LT_CFG}" --env UserOption=false labelstower:externals $*
+docker run -it --rm -p 5000:5000 -v $PWD/..:/work -w /work --env LT_CFG="${LT_CFG}" labelstower:externals $*
diff --git a/docker/run_latest.sh b/docker/run_latest.sh
index 584cd27a1914dd05d426f75422721007c48a2962..4652da098d9a2e37fc670d7281e0cae5388c85d6 100755
--- a/docker/run_latest.sh
+++ b/docker/run_latest.sh
@@ -6,4 +6,4 @@ SCRIPT_NAME=${BASH_SOURCE[0]}
 cd `dirname ${SCRIPT_NAME}`
 
 # Flask opère sur le port 5000
-docker run -it --rm -p 5000:5000 -v $PWD/../test:/work -w /work --env LT_CFG="${LT_CFG}" --env UserOption=false labelstower:latest $*
\ No newline at end of file
+docker run -it --rm -p 5000:5000 -v $PWD/../test:/work -w /work --env LT_CFG="${LT_CFG}" labelstower:latest $*
\ No newline at end of file