diff --git a/travis/deploy.sh b/travis/deploy.sh
index 89eeba7..543a13f 100755
--- a/travis/deploy.sh
+++ b/travis/deploy.sh
@@ -8,7 +8,7 @@ RELEASE_KIWIX_ARCHIVES_DIR=${HOME}/RELEASE_KIWIX_ARCHIVES
 RELEASE_ZIM_ARCHIVES_DIR=${HOME}/RELEASE_ZIM_ARCHIVES
 DIST_KIWIX_ARCHIVES_DIR=${HOME}/DIST_KIWIX_ARCHIVES
 DIST_ZIM_ARCHIVES_DIR=${HOME}/DIST_ZIM_ARCHIVES
-SSH_KEY=${TRAVISCI_SSH_KEY:-travis/travisci_builder_id_key}
+SSH_KEY=${TRAVIS_BUILD_DIR}/travis/travisci_builder_id_key
 
 if [[ "$TRAVIS_EVENT_TYPE" = "cron" ]]
 then