diff --git a/deluge/core/authmanager.py b/deluge/core/authmanager.py
index b9a2e796a..ef6fbc464 100644
--- a/deluge/core/authmanager.py
+++ b/deluge/core/authmanager.py
@@ -124,6 +124,7 @@ class AuthManager(component.Component):
             if line.startswith("#"):
                 # This is a comment line
                 continue
+            line = line.strip()
             try:
                 lsplit = line.split(":")
             except Exception, e:
diff --git a/deluge/ui/common.py b/deluge/ui/common.py
index ad9176e9e..1748f201a 100644
--- a/deluge/ui/common.py
+++ b/deluge/ui/common.py
@@ -301,6 +301,7 @@ def get_localhost_auth():
             if line.startswith("#"):
                 # This is a comment line
                 continue
+            line = line.strip()
             try:
                 lsplit = line.split(":")
             except Exception, e: