diff --git a/element_array_ephys/readers/probe_geometry.py b/element_array_ephys/readers/probe_geometry.py
index 11e3ae99..b0f27765 100644
--- a/element_array_ephys/readers/probe_geometry.py
+++ b/element_array_ephys/readers/probe_geometry.py
@@ -188,7 +188,7 @@ def build_electrode_layouts(
         row_offset = np.zeros_like(x_coords)
     else:
         assert len(row_offset) == row_count
-        row_offset = np.tile(row_offset, col_count_per_shank)
+        row_offset = np.repeat(row_offset, col_count_per_shank)
     x_coords = x_coords + row_offset
 
     shank_cols = np.tile(range(col_count_per_shank), row_count)