diff --git a/pisi/util.py b/pisi/util.py
index d3e34181..2b939cff 100644
--- a/pisi/util.py
+++ b/pisi/util.py
@@ -151,7 +151,7 @@ def run_batch(cmd, realtime = False):
     if ctx.stderr:
         stderr = ctx.stderr
     else:
-        stderr = subprocess.PIPE
+        stderr = subprocess.STDOUT
 
     out = err = ""
     p = subprocess.Popen(cmd, shell=True, stdout=stdout, stderr=stderr)