diff --git a/subiquity/server/controllers/filesystem.py b/subiquity/server/controllers/filesystem.py
index 8267174f..574372e4 100644
--- a/subiquity/server/controllers/filesystem.py
+++ b/subiquity/server/controllers/filesystem.py
@@ -407,8 +407,9 @@ class FilesystemController(SubiquityController, FilesystemManipulator):
         install_min = self.calculate_suggested_install_min()
 
         for disk in self.get_guided_disks(with_reformatting=True):
-            reformat = GuidedStorageTargetReformat(disk_id=disk.id)
-            scenarios.append((disk.size, reformat))
+            if disk.size >= install_min:
+                reformat = GuidedStorageTargetReformat(disk_id=disk.id)
+                scenarios.append((disk.size, reformat))
 
         for disk in self.get_guided_disks(with_reformatting=False):
             if len(disk.partitions()) < 1:
diff --git a/subiquity/server/controllers/tests/test_filesystem.py b/subiquity/server/controllers/tests/test_filesystem.py
index 602c3478..6e0124d0 100644
--- a/subiquity/server/controllers/tests/test_filesystem.py
+++ b/subiquity/server/controllers/tests/test_filesystem.py
@@ -170,6 +170,12 @@ class TestGuidedV2(IsolatedAsyncioTestCase):
         resp = await self.fsc.v2_guided_GET()
         self.assertEqual(expected, resp.possible)
 
+    @parameterized.expand(bootloaders_and_ptables)
+    async def test_small_blank_disk(self, bootloader, ptable):
+        self._setup(bootloader, ptable, size=1 << 30)
+        resp = await self.fsc.v2_guided_GET()
+        self.assertEqual(0, len(resp.possible))
+
     @parameterized.expand(bootloaders_and_ptables)
     async def test_used_half_disk(self, bootloader, ptable):
         self._setup(bootloader, ptable, size=100 << 30)