diff --git a/src/datasets/loaders/allen_brain_cell_atlas_merfish/config.vsh.yaml b/src/datasets/loaders/allen_brain_cell_atlas_merfish/config.vsh.yaml
index 8c7a249a..70061623 100644
--- a/src/datasets/loaders/allen_brain_cell_atlas_merfish/config.vsh.yaml
+++ b/src/datasets/loaders/allen_brain_cell_atlas_merfish/config.vsh.yaml
@@ -91,4 +91,4 @@ runners:
   - type: executable
   - type: nextflow
     directives:
-      label: [midmem, midcpu, hightime]
+      label: [highmem, midcpu, hightime]
diff --git a/src/datasets/loaders/allen_brain_cell_atlas_merfish/script.py b/src/datasets/loaders/allen_brain_cell_atlas_merfish/script.py
index 1469e2c4..01afc383 100644
--- a/src/datasets/loaders/allen_brain_cell_atlas_merfish/script.py
+++ b/src/datasets/loaders/allen_brain_cell_atlas_merfish/script.py
@@ -344,7 +344,9 @@ def um_to_px_y(y):
         fov_img = fov_img[:, OVERLAP_SIZE:, :]
         xp += OVERLAP_SIZE
 
-    complete_img[:, xp:xp + fov_img.shape[1], yp:yp + fov_img.shape[2]] = fov_img
+    h = min(fov_img.shape[1], complete_img.shape[1] - xp)
+    w = min(fov_img.shape[2], complete_img.shape[2] - yp)
+    complete_img[:, xp:xp + h, yp:yp + w] = fov_img[:, :h, :w]
 
     if fov % 10 == 0:
         delete_dax_files()
diff --git a/src/datasets/loaders/bruker_cosmx/config.vsh.yaml b/src/datasets/loaders/bruker_cosmx/config.vsh.yaml
index 5fd748df..2fee3340 100644
--- a/src/datasets/loaders/bruker_cosmx/config.vsh.yaml
+++ b/src/datasets/loaders/bruker_cosmx/config.vsh.yaml
@@ -76,4 +76,4 @@ runners:
   - type: executable
   - type: nextflow
     directives:
-      label: [midmem, midcpu, hightime]
+      label: [highmem, midcpu, hightime]