diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 91d5e2f4a1561cd895778f20544b4a72e88fbf7f..1d8f4d142e693fa6135487d8bd297ccd52fa9d3e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,7 +2,7 @@ default:
   tags: [docker]
   image: r-base:latest
   before_script:
-    - Rscript -e 'install.packages("remotes", "dplyr")'
+    - Rscript -e 'install.packages(c("remotes", "dplyr"))'
     - Rscript -e 'remotes::install_gitlab("HYCAR-Hydro/airgr@sd", host = "gitlab.irstea.fr")'
     - R CMD build ../griwrm