diff --git a/subiquity/common/filesystem/sizes.py b/subiquity/common/filesystem/sizes.py
index 22edd1be..fec1375e 100644
--- a/subiquity/common/filesystem/sizes.py
+++ b/subiquity/common/filesystem/sizes.py
@@ -36,9 +36,9 @@ uefi_scale = PartitionScaleFactors(
         priority=538,
         maximum=1075 * MiB)
 bootfs_scale = PartitionScaleFactors(
-        minimum=768 * MiB,
+        minimum=1792 * MiB,
         priority=1024,
-        maximum=1536 * MiB)
+        maximum=2048 * MiB)
 rootfs_scale = PartitionScaleFactors(
         minimum=900 * MiB,
         priority=10000,
diff --git a/subiquity/common/filesystem/tests/test_sizes.py b/subiquity/common/filesystem/tests/test_sizes.py
index 277b915f..e908f5fd 100644
--- a/subiquity/common/filesystem/tests/test_sizes.py
+++ b/subiquity/common/filesystem/tests/test_sizes.py
@@ -72,7 +72,7 @@ class TestPartitionSizeScaling(unittest.TestCase):
             self.assertEqual(bootfs, get_bootfs_size(disk))
 
         # something in between for scaling
-        disk_size = 15 << 30
+        disk_size = 20 << 30
         disk = make_disk(manipulator.model, preserve=True, size=disk_size)
         efi_size = get_efi_size(disk)
         self.assertTrue(uefi_scale.maximum > efi_size)