diff --git a/+siibra/+internal/API.m b/+siibra/+internal/API.m
index 7473608..d3f1b6a 100644
--- a/+siibra/+internal/API.m
+++ b/+siibra/+internal/API.m
@@ -28,10 +28,14 @@
         function result = doWebsaveWithLongTimeout(path, absoluteLink)
             options = weboptions;
             options.Timeout = 30;
-            result = websave( ...
-                path, ...
-                absoluteLink, ...
-                options);
+            try
+                result = websave( ...
+                    path, ...
+                    absoluteLink, ...
+                    options);
+            catch Exception
+                delete(path)
+            end
         end
 
         function parameterString = parametersToString(parameters)
diff --git a/step-by-step/01_atlases_and_brain_parcellations/01_selecting_a_predefined_atlas.mlx b/step-by-step/01_atlases_and_brain_parcellations/01_selecting_a_predefined_atlas.mlx
index 85b9732..0bee2d0 100644
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diff --git a/step-by-step/01_atlases_and_brain_parcellations/02_find_predefined_parcellations.mlx b/step-by-step/01_atlases_and_brain_parcellations/02_find_predefined_parcellations.mlx
index b51d0ca..4525abf 100644
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diff --git a/step-by-step/01_atlases_and_brain_parcellations/04_find_brain_regions_in_a_parcellation.mlx b/step-by-step/01_atlases_and_brain_parcellations/04_find_brain_regions_in_a_parcellation.mlx
index 63da1bb..25ca549 100644
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diff --git a/step-by-step/01_atlases_and_brain_parcellations/05_basic_brain_region_properties.mlx b/step-by-step/01_atlases_and_brain_parcellations/05_basic_brain_region_properties.mlx
index 684116f..47a39a0 100644
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diff --git a/step-by-step/01_atlases_and_brain_parcellations/06_spatial_properties_of_brain_regions.mlx b/step-by-step/01_atlases_and_brain_parcellations/06_spatial_properties_of_brain_regions.mlx
index 2fcc798..8fefb15 100644
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diff --git a/step-by-step/02_maps_and_templates/01_find_predefined_reference_spaces.mlx b/step-by-step/02_maps_and_templates/01_find_predefined_reference_spaces.mlx
index adae1c3..0920cab 100644
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diff --git a/step-by-step/02_maps_and_templates/02_access_brain_reference_templates.mlx b/step-by-step/02_maps_and_templates/02_access_brain_reference_templates.mlx
index 7033a32..35bde0c 100644
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diff --git a/step-by-step/02_maps_and_templates/04_access_big_brain.mlx b/step-by-step/02_maps_and_templates/04_access_big_brain.mlx
index 2e09078..411aa2b 100644
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diff --git a/walkthrough.mlx b/walkthrough.mlx
index b061bb2..5b9ab96 100644
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