diff --git a/tools/docker-entrypoint.sh b/tools/docker-entrypoint.sh
index b6aef4e..131355f 100755
--- a/tools/docker-entrypoint.sh
+++ b/tools/docker-entrypoint.sh
@@ -38,6 +38,7 @@ docker_setup_env() {
     # not needed.  In fact, it can cause problems since the
     # setup script will manipulate LD_LIBRARY_PATH.
     #source cmbenv
+    echo "" > /dev/null
 }
 
 _main() {