diff --git a/method/hg.py b/method/hg.py
index f30c759..b2459a0 100644
--- a/method/hg.py
+++ b/method/hg.py
@@ -76,7 +76,14 @@ class HgDiff(Method, HgBase):
         ui_imp, repo = self._hg_init()
         revs = self._get_revs(w, **vargs)
         try:
-            hgc.diff(ui_imp, repo, w.buffer.path, rev=revs)
+            c = w.application.config
+            opts = {
+                'ignore_all_space':    c.get('hg.diff.ignore_app_space'),
+                'ignore_space_change': c.get('hg.diff.ignore_space_change'),
+                'ignore-blank-lines':  c.get('hg.diff.ignore_blank_lines'),
+                'unified':             c.get('hg.diff.unified'),
+            }
+            hgc.diff(ui_imp, repo, w.buffer.path, rev=revs, **opts)
         except Exception, e:
             w.set_error(str(e))
             return