diff --git a/src/pisi/build.py b/src/pisi/build.py
index bfee1581..f26c57e8 100644
--- a/src/pisi/build.py
+++ b/src/pisi/build.py
@@ -54,6 +54,10 @@ class PisiBuild:
 
 	self.actionScript = open( os.path.dirname( self.pspecfile ) + '/' + 'actions' ).read()
 
+	# FIXME: It's wrong to assume that unpacked archive 
+	# will create a name-version top-level directory.
+	# Archive module should give the exact location.
+	# (from the assumption is evil dept.)
 	os.chdir( config.build_work_dir( self.spec.source.name, self.spec.source.version, self.spec.source.release ) + "/" + self.spec.source.name + "-" + self.spec.source.version)
 	locals = globals = {}
 	exec compile( self.actionScript , "error", "exec" ) in locals,globals