diff --git a/entrypoint.sh b/entrypoint.sh
index 2791a9c..20490d7 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -11,12 +11,15 @@ file_env() {
       echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
       exit 1
    fi
+
    local val="$def"
+
    if [ "${!var:-}" ]; then
       val="${!var}"
    elif [ "${!fileVar:-}" ]; then
       val="$(< "${!fileVar}")"
    fi
+
    export "$var"="$val"
    unset "$fileVar"
 }