diff --git a/apps/db_assembler/db_assembler.sh b/apps/db_assembler/db_assembler.sh
old mode 100644
new mode 100755
index eaa6b1678..ba4e15e6a
--- a/apps/db_assembler/db_assembler.sh
+++ b/apps/db_assembler/db_assembler.sh
@@ -1,5 +1,9 @@
 #!/usr/bin/env bash
 
+echo ----------------------------------------------------------------------------------------------- >&2
+echo ATTENTION: This tool is DEPRECATED. To assemble or update your DB, use the worldserver instead. >&2
+echo ----------------------------------------------------------------------------------------------- >&2
+
 set -e
 
 CURRENT_PATH="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"