diff --git a/scripts/custom.config.sh b/scripts/custom.config.sh
index 30a09e3c7a4d71024d0f0b0a20967bbbaf80de59..5455e0ac2aec6eca463d1313d5f681d6abb32993 100755
--- a/scripts/custom.config.sh
+++ b/scripts/custom.config.sh
@@ -29,7 +29,7 @@ if [ -f "${EHP_SERVER_INI}" ]; then
   DB_NAME=geomag_operations
   DB_USER=$(get_ehp_server_ini 'mysql_web_absolutes_user=');
   DB_PASS=$(get_ehp_server_ini 'mysql_web_absolutes_password=');
-  export DATABASE_URL="mysql://${DB_USER}:${DB_PASS}@${DB_HOST}/${DB_NAME}";
+  export DATABASE_URL="mysql+pymysql://${DB_USER}:${DB_PASS}@${DB_HOST}/${DB_NAME}";
 fi
 
 export OPENID_CLIENT_ID=${OPENID_CLIENT_ID:-""}