2 files changed, 3 insertions, 3 deletions
diff --git a/fstab.py b/fstab.py
index b48bc310a..5e4746c6c 100644
--- a/fstab.py
+++ b/fstab.py
@@ -241,10 +241,10 @@ class Fstab:
 	raise TypeError, "unknown partition to format %s" % (device,)
 
     # sorted largest to smallest
-    def filesystemSpace(self):
+    def filesystemSpace(self, topMount):
 	space = {}
 	for (mntpoint, partition, fsystem, doFormat, size) in self.mountList():
-	    space[mntpoint] = isys.fsSpaceAvailable(mntpoint)
+	    space[mntpoint] = isys.fsSpaceAvailable(topMount + '/' + mntpoint)
 
 	list = space.keys()
 	list.sort()
diff --git a/image.py b/image.py
index 6368b2b91..29e34799f 100644
--- a/image.py
+++ b/image.py
@@ -43,7 +43,7 @@ class CdromInstallMethod(ImageInstallMethod):
 	if changeloop == 0:
 	    return
 
-	self.loopbackFile = mntPoint + fstab.filesystemSpace()[0][0] + \
+	self.loopbackFile = mntPoint + fstab.filesystemSpace(mntPoint)[0][0] + \
 			    "/rhinstall-stage2.img"
 
 	try: