diff --git a/backend/app.py b/backend/app.py
index 0a3b779..8229f49 100644
--- a/backend/app.py
+++ b/backend/app.py
@@ -56,8 +56,5 @@ def download_file(filename):
     except FileNotFoundError:
         abort(404)
 
-if __name__ == '__main__':
-    app.run(debug=True)
-
 if __name__ == '__main__':
     app.run()
diff --git a/content/data-downloads/singapore-srtm.md b/content/data-downloads/singapore-srtm.md
index a94d0f8..fb9c1ae 100644
--- a/content/data-downloads/singapore-srtm.md
+++ b/content/data-downloads/singapore-srtm.md
@@ -11,7 +11,7 @@ tags: ["QGIS", "SRTM", "DEM", "Raster", "download"]
 {{< figure src="/pics/blog/batch-import-postgis-rasters/singapore-final.webp" width="300">}}
 Download the Digital Elevation Model featured in [this](/blog/batch-import-postgis-rasters/) blog.
 
-{{< download-data src="http://api.baseddata.io/download/singapore-srtm-dem.tif" name="singapore-srtm-dem.tif" >}}
+{{< download-data src="https://api.baseddata.io/download/singapore-srtm-dem.tif" name="singapore-srtm-dem.tif" >}}
 
 #### Citations
 NASA Shuttle Radar Topography Mission (SRTM)(2013). Shuttle Radar Topography Mission (SRTM) Global. Distributed by OpenTopography. https://doi.org/10.5069/G9445JDF. Accessed: 2024-08-06
diff --git a/layouts/shortcodes/download-data.html b/layouts/shortcodes/download-data.html
index afdb618..84457f3 100644
--- a/layouts/shortcodes/download-data.html
+++ b/layouts/shortcodes/download-data.html
@@ -6,6 +6,9 @@
   async function downloadFile(url, name) {
     try {
       const response = await fetch(url);
+      if (!response.ok) {
+        throw new Error('Network response was not ok');
+      }
       const blob = await response.blob();
       const link = document.createElement('a');
       link.href = URL.createObjectURL(blob);
@@ -13,6 +16,7 @@
       document.body.appendChild(link);
       link.click();
       document.body.removeChild(link);
+      URL.revokeObjectURL(link.href); // Clean up the object URL
     } catch (error) {
       console.error('Error downloading the file:', error);
     }