diff --git a/src/echolocator_lib/guis/aiohttp.py b/src/echolocator_lib/guis/aiohttp.py
index fdf166d..6d7c762 100644
--- a/src/echolocator_lib/guis/aiohttp.py
+++ b/src/echolocator_lib/guis/aiohttp.py
@@ -414,6 +414,7 @@ async def _export(self, opaque, request_dict):
             response = {"error": "blank visit was given"}
             return response
 
+        # Get the barcode string submitted from the html form.
         barcode_filter = request_dict.get("barcode_filter")
 
         if barcode_filter is None:
diff --git a/tests/base.py b/tests/base.py
index 17b2483..c4ab759 100644
--- a/tests/base.py
+++ b/tests/base.py
@@ -154,6 +154,6 @@ async def inject(self, xchembku, autolocation: bool, droplocation: bool):
                 is_usable=True,
             )
 
-            await xchembku.originate_crystal_well_droplocations([t])
+            await xchembku.upsert_crystal_well_droplocations([t])
 
         return m
diff --git a/tests/test_export.py b/tests/test_export.py
index 359f788..87933f4 100644
--- a/tests/test_export.py
+++ b/tests/test_export.py
@@ -252,15 +252,16 @@ async def __export_wells(self, crystal_wells):
             assert len(row) == 3
 
         # Check the well positions are those that are considered "confirmed".
+        # The position constants are fromt the Swiss3 microns computation.
         assert rows[0][0] == "02A_1"
-        assert int(rows[0][1]) == -198
-        assert int(rows[0][2]) == -297
+        assert int(rows[0][1]) == -561
+        assert int(rows[0][2]) == -842
         assert rows[1][0] == "04A_1"
-        assert int(rows[1][1]) == 2
-        assert int(rows[1][2]) == -97
+        assert int(rows[1][1]) == 6
+        assert int(rows[1][2]) == -274
         assert rows[2][0] == "05A_1"
-        assert int(rows[2][1]) == 102
-        assert int(rows[2][2]) == 3
+        assert int(rows[2][1]) == 289
+        assert int(rows[2][2]) == 9
 
         # Check the results stored in soakdbb3, there should be no change to the first ones.
         queried_models = await self.__xchembku.fetch_soakdb3_crystal_wells(
@@ -268,11 +269,11 @@ async def __export_wells(self, crystal_wells):
         )
         assert len(queried_models) == 3
         assert queried_models[0].CrystalWell == "02A_1"
-        assert int(queried_models[0].EchoX) == -198
-        assert int(queried_models[0].EchoY) == -297
+        assert int(queried_models[0].EchoX) == -561
+        assert int(queried_models[0].EchoY) == -842
         assert queried_models[1].CrystalWell == "04A_1"
-        assert int(queried_models[1].EchoX) == 2
-        assert int(queried_models[1].EchoY) == -97
+        assert int(queried_models[1].EchoX) == 6
+        assert int(queried_models[1].EchoY) == -274
         assert queried_models[2].CrystalWell == "05A_1"
-        assert int(queried_models[2].EchoX) == 102
-        assert int(queried_models[2].EchoY) == 3
+        assert int(queried_models[2].EchoX) == 289
+        assert int(queried_models[2].EchoY) == 9