diff --git a/pisi/metadata.py b/pisi/metadata.py
index 1df14b62..92931818 100644
--- a/pisi/metadata.py
+++ b/pisi/metadata.py
@@ -8,17 +8,17 @@ from specfile import SpecFile
 class MetaData(SpecFile):
     """This is a superset of the source spec definition"""
     def __init__(self):
-	XmlFile.__init__(self, "METADATA")
+        XmlFile.__init__(self, "METADATA")
 
     def read(self, filename):
-	self.readxml(filename)
+        self.readxml(filename)
 
         self.distribution = self.getNodeText("Distribution")
         self.distributionRelease = self.getNodeText("DistributionRelease")
         self.architecture = self.getNodeText("Architecture")
-	size = self.getNodeText("InstalledSize")
-	if size:
-	    self.installedSize = int(size)
+        size = self.getNodeText("InstalledSize")
+        if size:
+            self.installedSize = int(size)
 
     def write(self, filename):
         ui.info("METADATA WRITE NOT IMPLEMENTED\n")