diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 380643a1b3f24c4cc72c93b72346e14287725753..05087b14a40a19d3bb31a413f5e822fa94f60c34 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -172,7 +172,7 @@ deploy_g16_grb:
       else
         EXTRA_ARGS="--set persistence.enabled=true";
       fi
-    - EXTRA_ARGS="--set persistence.enabled=true --set persistence.volumeName=cspp-geo-grb-netcdf-pv"
+    - EXTRA_ARGS="--set persistence.existingClaim=cspp-geo-grb-netcdf-pv"
     - echo $EXTRA_ARGS
     # copy extra values files to the local directory (where helm has access via docker mount)
     - cp ../../production/values-grb-g16.yaml .