diff --git a/automated/build.sh b/automated/build.sh
index 684f20ec..76a926d1 100755
--- a/automated/build.sh
+++ b/automated/build.sh
@@ -95,7 +95,7 @@ ARGS_PREBUILD="$ARGS_COMMON -u $USERID -e HOME=$C_HOME -v $DOT_STACKAGE_DIR:$C_H
 ARGS_BUILD="$ARGS_COMMON"
 # instance-data is an undocumented feature of S3 used by amazonka,
 # see https://github.com/brendanhay/amazonka/issues/271
-ARGS_UPLOAD="$ARGS_COMMON -u $USERID -e HOME=$C_HOME -v $HACKAGE_CREDS:/hackage-creds:ro -v $DOT_STACKAGE_DIR:$C_HOME/.stackage -v $SSH_DIR:$C_HOME/.ssh:ro -v $GITCONFIG:$C_HOME/.gitconfig:ro -e AWS_ACCESS_KEY_ID=$AWS_ACCESS_KEY_ID -e AWS_SECRET_ACCESS_KEY=$AWS_SECRET_ACCESS_KEY -v $DOT_STACKAGE_DIR:/dot-stackage"
+ARGS_UPLOAD="$ARGS_COMMON -u $USERID -e HOME=$C_HOME -v $HACKAGE_CREDS:/hackage-creds:ro -v $DOT_STACKAGE_DIR:$C_HOME/.stackage -v $SSH_DIR:$C_HOME/.ssh:ro -v $GITCONFIG:$C_HOME/.gitconfig:ro -e AWS_ACCESS_KEY_ID=$AWS_ACCESS_KEY_ID -e AWS_SECRET_ACCESS_KEY=$AWS_SECRET_ACCESS_KEY ${AWS_ENDPOINT_URL:+-e AWS_ENDPOINT_URL=$AWS_ENDPOINT_URL} -v $DOT_STACKAGE_DIR:/dot-stackage"
 
 # Make sure we actually need this snapshot. We only check this for LTS releases
 # since, for nightlies, we'd like to run builds even if they are unnecessary to
@@ -151,7 +151,7 @@ docker run $ARGS_UPLOAD $IMAGE /bin/bash -c "exec curator check-target-available
 #
 # * Upload the docs to S3
 # * Upload the new snapshot .yaml file to the appropriate Github repo, also upload its constraints
-docker run $ARGS_UPLOAD $IMAGE /bin/bash -c "curator upload-docs --target $TARGET && curator upload-github --target $TARGET"
+docker run $ARGS_UPLOAD $IMAGE /bin/bash -c "curator upload-docs --target $TARGET ${DOCS_BUCKET:+--bucket $DOCS_BUCKET}" && curator upload-github --target $TARGET"
 
 # fixed in https://github.com/commercialhaskell/curator/pull/24
 docker run $ARGS_UPLOAD $IMAGE /bin/bash -c "exec curator hackage-distro --target $TARGET"