diff --git a/src/coastseg/coastseg_map.py b/src/coastseg/coastseg_map.py
index 02a0b18..96db8de 100644
--- a/src/coastseg/coastseg_map.py
+++ b/src/coastseg/coastseg_map.py
@@ -1840,6 +1840,8 @@ def extract_all_shorelines(self,roi_ids:list=None) -> None:
         Returns:
             None
         """
+        if isinstance(roi_ids, str):
+            roi_ids = [roi_ids]
         # 1. validate the inputs for shoreline extraction exist: ROIs, transects,shorelines and a downloaded data for each ROI
         self.validate_extract_shoreline_inputs(roi_ids)
 
diff --git a/src/coastseg/common.py b/src/coastseg/common.py
index 826c190..491c381 100644
--- a/src/coastseg/common.py
+++ b/src/coastseg/common.py
@@ -1921,8 +1921,13 @@ def save_transects(
     filepath = os.path.join(save_location, "raw_transect_time_series_merged.csv")
     merged_timeseries_df.to_csv(filepath, sep=",",index=False) 
     
+    # sort the columns
+    sorted_columns = [timeseries_df.columns[0]] + sorted(timeseries_df.columns[1:], key=lambda x: int(''.join(filter(str.isdigit, x))))
+    timeseries_df = timeseries_df[sorted_columns]
+
     filepath = os.path.join(save_location, "raw_transect_time_series.csv")
     timeseries_df.to_csv(filepath, sep=",",index=False)
+
     # save transect settings to file
     transect_settings = get_transect_settings(settings)
     transect_settings_path = os.path.join(save_location, "transects_settings.json")