diff --git a/docker/mysql/copy-ddl.sh b/docker/mysql/copy-ddl.sh
index dd7a3aeb47..98f9352b01 100755
--- a/docker/mysql/copy-ddl.sh
+++ b/docker/mysql/copy-ddl.sh
@@ -6,19 +6,19 @@
 # e.g. /Users/me/workspace/WhereHows/docker/mysql
 SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
 
-rm -rf *_DDL
-rm -f bin/create_all_tables_wrapper.sql
+rm -rf ${SCRIPT_DIR}/*_DDL
+rm -f ${SCRIPT_DIR}/bin/create_all_tables_wrapper.sql
 
 DDL_DIR=${SCRIPT_DIR}/../../data-model/DDL
-mkdir -p bin
-cp $DDL_DIR/create_all_tables_wrapper.sql bin
-cp -r $DDL_DIR/*_DDL .
+mkdir -p ${SCRIPT_DIR}/bin
+cp ${DDL_DIR}/create_all_tables_wrapper.sql ${SCRIPT_DIR}/bin
+cp -r ${DDL_DIR}/*_DDL ${SCRIPT_DIR}/
 
 # Unfortunately these scripts may be executed multiple times.
 # The data directory is mounted as a volume, meaning that these scripts could run twice for the 
 # same directory.  Change schema to just create tables if they do not already exist.
-sed -i "" -e "s/CREATE TABLE/CREATE TABLE IF NOT EXISTS/g" *_DDL/*
+sed -i "" -e "s/CREATE TABLE/CREATE TABLE IF NOT EXISTS/g" ${SCRIPT_DIR}/*_DDL/*
 
 # In some places we just doubled up on IF NOT EXISTS
-sed -i "" -e "s/IF NOT EXISTS IF NOT EXISTS/IF NOT EXISTS/g" *_DDL/*
+sed -i "" -e "s/IF NOT EXISTS IF NOT EXISTS/IF NOT EXISTS/g" ${SCRIPT_DIR}/*_DDL/*