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-rw-r--r--pym/portage/__init__.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/pym/portage/__init__.py b/pym/portage/__init__.py
index 9c9fbc099..f4e246c9e 100644
--- a/pym/portage/__init__.py
+++ b/pym/portage/__init__.py
@@ -1279,6 +1279,8 @@ class config(object):
# by the constructor argument (from the calling environment).
if target_root is None and "ROOT" in make_conf:
target_root = make_conf["ROOT"]
+ if not target_root.strip():
+ target_root = None
if target_root is None:
target_root = "/"