diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7d6f60f..a45dcac 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,5 @@
 # master
+-fix : handle URL with HTTPS (not only HTTP)
 
 # 1.2.0
 -feature: handle two folders of DEMs for difference computation
diff --git a/altianalysis/run_difference_with_gpao.py b/altianalysis/run_difference_with_gpao.py
index 08902c9..000c3e3 100644
--- a/altianalysis/run_difference_with_gpao.py
+++ b/altianalysis/run_difference_with_gpao.py
@@ -178,7 +178,11 @@ def compute_on_gpao(
     builder.save_as_json(out / "gpao_project.json")
 
     logging.info(f"Send projects to gpao server: {gpao_hostname}")
-    builder.send_project_to_api(f"http://{gpao_hostname}:8080")
+
+    if not gpao_hostname.lower().startswith("http"):
+        builder.send_project_to_api(f"http://{gpao_hostname}:8080")
+    else:
+        builder.send_project_to_api(gpao_hostname)
 
 
 def parse_args():