diff --git a/deluge/ui/gtkui/torrentview.py b/deluge/ui/gtkui/torrentview.py
index 9e24428f8..7adc6c2f4 100644
--- a/deluge/ui/gtkui/torrentview.py
+++ b/deluge/ui/gtkui/torrentview.py
@@ -30,17 +30,17 @@ CTRL_ALT_MASK = CONTROL_MASK | MOD1_MASK
 
 
 def str_nocase_sort(model, iter1, iter2, data):
-    """
-    Sort string column data with locale.strcoll which (allegedly) uses ISO 14651.
+    """Sort string column data using ISO 14651 in lowercase.
+
+    Uses locale.strcoll which (allegedly) uses ISO 14651. Compares first
+    value with second and returns -1, 0, 1 for where it should be placed.
 
     """
-    try:
-        v1 = model[iter1][data].lower()
-        v2 = model[iter2][data].lower()
-    except AttributeError:
-        # Catch None type for value.
-        v1 = model[iter1][data]
-        v2 = model[iter2][data]
+    v1 = model[iter1][data]
+    v2 = model[iter2][data]
+    # Catch any values of None from model.
+    v1 = v1.lower() if v1 else ''
+    v2 = v2.lower() if v2 else ''
     return strcoll(v1, v2)