diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e40f4f65f0830fcbe3b55a18616f877fd9a56de6..7f18116662efe5ea1e07924fc733456d1f81be58 100755
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -40,7 +40,7 @@ before_script:
   - sed 's/127.0.0.1/postgres/' apps/maarch_entreprise/xml/config.json.default > apps/maarch_entreprise/xml/config.json
   - cp modules/visa/xml/remoteSignatoryBooks.xml.default modules/visa/xml/remoteSignatoryBooks.xml
   - apt-get install -yqq openjdk-11-jdk > /dev/null
-  - sed 's/rights="none" pattern="PDF"/rights="read | write" pattern="PDF"/' /etc/ImageMagick-6/policy.xml
+  - sed -i 's/rights="none" pattern="PDF"/rights="read | write" pattern="PDF"/' /etc/ImageMagick-6/policy.xml
 
 job_e2e:
  image: php:7.4-apache