diff --git a/tests/jobs/localisation/example_case/scripts/common_functions.py b/tests/jobs/localisation/example_case/scripts/common_functions.py
index 03a0f4fef..17f25d053 100644
--- a/tests/jobs/localisation/example_case/scripts/common_functions.py
+++ b/tests/jobs/localisation/example_case/scripts/common_functions.py
@@ -24,7 +24,7 @@ class GridSize:
     containing upscaled values of the simulated field.
     """
 
-    xsize: float = 7500.0
+    xsize: float = 8500.0
     ysize: float = 12500.0
     #    xsize: float = 7500.0
     #    ysize: float = 7500.0