diff --git a/tests/test_partitions.py b/tests/test_partitions.py
index 5dcd7676784c1b6f116bc68bf4311ea8f73e3591..00c5c27fd9409ff690420a3a71216314f0634c31 100755
--- a/tests/test_partitions.py
+++ b/tests/test_partitions.py
@@ -34,7 +34,7 @@ paths = [
     {
         'mount_point': '/home/msuser/msinstance',
         'recommended_types': ('ext4', 'nfs', 'nfsv4'),
-        'min_size_gbytes': 400,
+        'min_size_gbytes': 300,
         'min_available_gbytes': 15,
     },
     {