diff --git a/tasks/capture_lv_device_details.yml b/tasks/capture_lv_device_details.yml
index f09b564..273e299 100644
--- a/tasks/capture_lv_device_details.yml
+++ b/tasks/capture_lv_device_details.yml
@@ -79,5 +79,5 @@
         bigboot_execute_shrink_lv: true
       when:
         - bigboot_execute_bigboot | bool
-        - (bigboot_lv_pe_size_in_mb[:-3] | int | round) | int < bigboot_size[:-1] | int
+        - bigboot_expansion_diff | int > 0