diff --git a/pyanaconda/storage/formats/prepboot.py b/pyanaconda/storage/formats/prepboot.py
index 2191b81..24ce6d2 100644
--- a/pyanaconda/storage/formats/prepboot.py
+++ b/pyanaconda/storage/formats/prepboot.py
@@ -33,8 +33,8 @@ class PPCPRePBoot(DeviceFormat):
_formattable = True # can be formatted
_linuxNative = True # for clearpart
_bootable = True # can be used as boot
- _maxSize = 4 # maximum size in MB
- _minSize = 10 # minimum size in MB
+ _maxSize = 10 # maximum size in MB
+ _minSize = 4 # minimum size in MB