diff --git a/tasks/capture_boot_device_details.yml b/tasks/capture_boot_device_details.yml
index 0df887f..7f4c71d 100644
--- a/tasks/capture_boot_device_details.yml
+++ b/tasks/capture_boot_device_details.yml
@@ -38,7 +38,7 @@
       block:
         - name: "Assert that /boot is already at or above {{ bigboot_size_min }}"
           ansible.builtin.assert:
-            that: bigboot_boot_partsize | human_to_bytes < bigboot_size_min | int
+            that: bigboot_boot_partsize | human_to_bytes >= bigboot_size_min | human_to_bytes
             success_msg: >
               /boot partition size is already at least {{ bigboot_size_min }}
               or greater. Nothing to do."