diff --git a/pisi/build.py b/pisi/build.py
index 0cdb7b7d..a056f347 100644
--- a/pisi/build.py
+++ b/pisi/build.py
@@ -185,21 +185,22 @@ class PisiBuild:
         install_dir = self.ctx.pkg_install_dir()
         for fpath, fhash in util.get_file_hashes(install_dir):
             # get the relative path
-            fpath = fpath[len(install_dir):]
+            frpath = fpath[len(install_dir):]
             ftype = ""
             # The usage of depth is somewhat confusing. It is used for
             # finding the best match to package.paths. For an example,
             # if package.paths contains
-            # ['/usr/share','/usr/share/doc'] and fpath is
+            # ['/usr/share','/usr/share/doc'] and frpath is
             # /usr/share/doc/filename our iteration over package.paths
             # should match the second item.
             depth = 0
             for path in package.paths:
-                if fpath.startswith(path.pathname):
+                if frpath.startswith(path.pathname):
                     if depth < len(path.pathname):
                         depth = len(path.pathname)
                         ftype = path.fileType
-            files.append(FileInfo(fpath, ftype, fhash))
+                        fsize = str(os.path.getsize(fpath))
+            files.append(FileInfo(frpath, ftype, fsize, fhash))
         files.write(os.path.join(self.ctx.pkg_dir(), self.ctx.const.files_xml))
 
     def buildPackages(self):
diff --git a/pisi/files.py b/pisi/files.py
index 5d126f19..1635e497 100644
--- a/pisi/files.py
+++ b/pisi/files.py
@@ -6,9 +6,10 @@ from xmlfile import XmlFile
 
 class FileInfo:
     
-    def __init__(self, _path = "", _type = "", _hash = ""):
+    def __init__(self, _path = "", _type = "", _size="", _hash = ""):
         self.path = _path
         self.type = _type
+        self.size = _size
         self.hash = _hash
 
     def readnew(node):
@@ -19,6 +20,7 @@ class FileInfo:
     def read(self, node):
         self.path = getNodeText(getNode(node, "Path"))
         self.type = getNodeText(getNode(node, "Type"))
+        self.size = getNodeText(getNode(node, "Size"))
         self.hash = getNodeText(getNode(node, "SHA1Sum"))
 
     def elt(self, dom):
@@ -29,10 +31,13 @@ class FileInfo:
         pathElt.appendChild(dom.createTextNode(self.path))
         typeElt = dom.createElement("Type")
         typeElt.appendChild(dom.createTextNode(self.type))
+        sizeElt = dom.createElement("Size")
+        sizeElt.appendChild(dom.createTextNode(self.size))
         hashElt = dom.createElement("SHA1Sum")
         hashElt.appendChild(dom.createTextNode(self.hash))
         elt.appendChild(pathElt)
         elt.appendChild(typeElt)
+        elt.appendChild(sizeElt)
         elt.appendChild(hashElt)
         return elt