diff --git a/IkiWiki.pm b/IkiWiki.pm
index dcb68bca6..62b54373b 100644
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -365,20 +365,18 @@ sub pagetitle ($;$) { #{{{
 	my $unescaped=shift;
 
 	if ($unescaped) {
-		$page=~s/__(\d+)__/chr($1)/eg;
+		$page=~s/(__(\d+)__|_)/$1 eq '_' ? ' ' : chr($2)/eg;
 	}
 	else {
-		$page=~s/__(\d+)__/&#$1;/g;
+		$page=~s/(__(\d+)__|_)/$1 eq '_' ? ' ' : "&#$2;"/eg;
 	}
-	$page=~y/_/ /;
 
 	return $page;
 } #}}}
 
 sub titlepage ($) { #{{{
 	my $title=shift;
-	$title=~y/ /_/;
-	$title=~s/([^-[:alnum:]_:+\/.])/"__".ord($1)."__"/eg;
+	$title=~s/([^-[:alnum:]:+\/.])/$1 eq ' ' ? '_' : "__".ord($1)."__"/eg;
 	return $title;
 } #}}}
 
diff --git a/debian/changelog b/debian/changelog
index aa3f167fc..77333b0ec 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,11 @@
+ikiwiki (1.45) UNRELEASED; urgency=low
+
+  * Allow for underscores to appear in page titles, if encoded appropriately
+    (__95__) in filenames. Previously, all underscores were replaced with
+    spaces. Thanks, Enrico Zini for noticing that bug.
+
+ -- Joey Hess <joeyh@debian.org>  Thu,  1 Mar 2007 19:30:36 -0500
+
 ikiwiki (1.44) unstable; urgency=low
 
   * Patch by Ben to fix validaton of atom feeds by fixing the category tags.
diff --git a/t/pagetitle.t b/t/pagetitle.t
index 1bb4421e4..37adba144 100755
--- a/t/pagetitle.t
+++ b/t/pagetitle.t
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 use warnings;
 use strict;
-use Test::More tests => 6;
+use Test::More tests => 7;
 
 BEGIN { use_ok("IkiWiki"); }
 
@@ -10,3 +10,4 @@ is(IkiWiki::pagetitle("foo_bar_baz"), "foo bar baz");
 is(IkiWiki::pagetitle("foo_bar__33__baz"), "foo bar&#33;baz");
 is(IkiWiki::pagetitle("foo_bar__1234__baz"), "foo bar&#1234;baz");
 is(IkiWiki::pagetitle("foo_bar___33___baz"), "foo bar &#33; baz");
+is(IkiWiki::pagetitle("foo_bar___95___baz"), "foo bar &#95; baz");
diff --git a/t/titlepage.t b/t/titlepage.t
index 6e1856a15..cc56db70c 100755
--- a/t/titlepage.t
+++ b/t/titlepage.t
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 use warnings;
 use strict;
-use Test::More tests => 6;
+use Test::More tests => 7;
 
 BEGIN { use_ok("IkiWiki"); }
 
@@ -10,3 +10,4 @@ is(IkiWiki::titlepage("foo bar baz"), "foo_bar_baz");
 is(IkiWiki::titlepage("foo bar/baz"), "foo_bar/baz");
 is(IkiWiki::titlepage("foo bar&baz"), "foo_bar__38__baz");
 is(IkiWiki::titlepage("foo bar & baz"), "foo_bar___38___baz");
+is(IkiWiki::titlepage("foo bar_baz"), "foo_bar__95__baz");