diff --git a/nautilus-2.23.3-wrong-unref.patch b/nautilus-2.23.3-wrong-unref.patch
new file mode 100644
index 0000000..5bb89ef
--- /dev/null
+++ b/nautilus-2.23.3-wrong-unref.patch
@@ -0,0 +1,13 @@
+Index: libnautilus-private/nautilus-dnd.c
+===================================================================
+--- libnautilus-private/nautilus-dnd.c	(révision 14260)
++++ libnautilus-private/nautilus-dnd.c	(copie de travail)
+@@ -422,7 +422,7 @@
+ 				*action = GDK_ACTION_MOVE;
+ 			}
+ 			
+-			g_free (target);
++			g_object_unref (target);
+ 			nautilus_file_unref (dropped_file);
+ 			nautilus_file_unref (target_file);
+ 			return;
diff --git a/nautilus.spec b/nautilus.spec
index 729c690..6c0f9f0 100644
--- a/nautilus.spec
+++ b/nautilus.spec
@@ -20,7 +20,7 @@
 Name:		nautilus
 Summary:        Nautilus is a file manager for GNOME
 Version: 	2.23.3
-Release:	1%{?dist}
+Release:	2%{?dist}
 License: 	GPLv2+
 Group:          User Interface/Desktops
 Source: 	http://download.gnome.org/sources/%{name}/2.23/%{name}-%{version}.tar.bz2
@@ -102,6 +102,9 @@ Patch15:	nautilus-2.22.0-treeview-xds-dnd.patch
 # http://bugzilla.gnome.org/show_bug.cgi?id=519743
 Patch17:	nautilus-filetype-symlink-fix.patch
 
+# http://bugzilla.gnome.org/show_bug.cgi?id=537995
+Patch18:	nautilus-2.23.3-wrong-unref.patch
+
 %description
 Nautilus integrates access to files, applications, media,
 Internet-based resources and the Web. Nautilus delivers a dynamic and
@@ -142,6 +145,7 @@ for writing nautilus extensions.
 %patch14 -p1 -b .default-to-asking
 %patch15 -p1 -b .xds
 %patch17 -p0 -b .symlink
+%patch18 -p0 -b .dnd-segv
 
 %build
 
@@ -260,6 +264,9 @@ fi
 
 
 %changelog
+* Thu Jun 12 2008 Tomas Bzatek <tbzatek@redhat.com> - 2.23.3-2
+- Fix DnD segfaults (#450416, #450449)
+
 * Wed Jun  4 2008 Tomas Bzatek <tbzatek@redhat.com> - 2.23.3-1
 - Update to 2.23.3