diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 65fa0522da77dc22e852a824282baf2924c72150..fa7ebf8cdf771c5408c819a473cda127d6050ac8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -33,7 +33,7 @@ build:
   script:
     - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
     - docker login ${CI_DEPENDENCY_PROXY_SERVER} -u ${CI_DEPENDENCY_PROXY_USER} -p ${CI_DEPENDENCY_PROXY_PASSWORD}
-    - sed -i "s|\$NAMESPACE_ENV|$NAMESPACE_ENV|g" fichier.txt
+    - sed -i "s|\$NAMESPACE_ENV|$NAMESPACE_ENV|g" nginx/default.conf
     - docker build --pull -t "$CI_REGISTRY_IMAGE:$IMAGE_TAG" --build-arg DEPENDENCY_PROXY="$DEPENDENCY_PROXY" .
     - docker push "$CI_REGISTRY_IMAGE:$IMAGE_TAG"
 
@@ -49,7 +49,7 @@ build-tag:
   script:
     - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
     - docker login ${CI_DEPENDENCY_PROXY_SERVER} -u ${CI_DEPENDENCY_PROXY_USER} -p ${CI_DEPENDENCY_PROXY_PASSWORD}
-    - sed -i "s|\$NAMESPACE_ENV|$NAMESPACE_ENV|g" fichier.txt
+    - sed -i "s|\$NAMESPACE_ENV|$NAMESPACE_ENV|g" nginx/default.conf
     - docker build --pull -t "$CI_REGISTRY_IMAGE:$IMAGE_TAG" --build-arg DEPENDENCY_PROXY="$DEPENDENCY_PROXY" .
     - docker push "$CI_REGISTRY_IMAGE:$IMAGE_TAG"