diff --git a/do_release.py b/do_release.py
index 26fce9b..528e077 100644
--- a/do_release.py
+++ b/do_release.py
@@ -57,7 +57,7 @@ shutil.copy('setup.cfg','setup.cfg.bup')
 fd = open('setup.cfg','a')
 fd.write("""
 [build]
-/usr/bin/python
+executable=/usr/bin/python
 
 [install]
 prefix=/usr
@@ -69,7 +69,6 @@ Vendor=PSI
 Packager=Derek Feichtinger
 #Provides
 Requires=python-ldap
-License=PSI
 #Conflicts
 #Obsoletes
 #Distribution
@@ -78,6 +77,16 @@ License=PSI
 """)
 fd.close()
 
+# clean the build dir first
+sp = subprocess.Popen(['python','setup.py','clean','--all'],
+                      shell = False,
+                      stdout = subprocess.PIPE,
+                      stderr = subprocess.PIPE)
+(stdout, stderr) = sp.communicate()
+if sp.returncode != 0:
+    raise RuntimeError(stderr)
+sys.stdout.write(stdout)
+
 # Run the RPM build
 sp = subprocess.Popen(['python','setup.py','bdist_rpm'],
                       shell = False,