diff --git a/lib/redfam.py b/lib/redfam.py
index 6abb7ae..6c045c6 100644
--- a/lib/redfam.py
+++ b/lib/redfam.py
@@ -288,6 +288,11 @@ class RedFamParser( RedFam ):
             article = article.split("#", 1)
             # Replace underscores in title with spaces
             article[0] = article[0].replace("_", " ")
+
+            if len(article) > 1:
+                # other way round, replace spaces with underscores in anchors
+                article[1] = article[1].replace(" ", "_")
+
             # Rejoin title and anchor
             article = "#".join(article)