diff --git a/gtk/xdgmime/ChangeLog b/gtk/xdgmime/ChangeLog
index 0818220641..9b5b5615f5 100644
--- a/gtk/xdgmime/ChangeLog
+++ b/gtk/xdgmime/ChangeLog
@@ -1,3 +1,8 @@
+2005-06-10  Federico Mena Quintero  <federico@ximian.com>
+
+	* xdgmime.c (xdg_mime_init_from_directory): Pass the correct size
+	to realloc().  Fixes https://bugs.freedesktop.org/show_bug.cgi?id=3506.
+
 2005-06-09  Matthias Clasen  <mclasen@redhat.com>
 
 	* xdgmimemagic.c: Don't declare errno, including errno.h 
diff --git a/gtk/xdgmime/xdgmime.c b/gtk/xdgmime/xdgmime.c
index 6b400d9ebd..c4bd017adc 100644
--- a/gtk/xdgmime/xdgmime.c
+++ b/gtk/xdgmime/xdgmime.c
@@ -140,7 +140,7 @@ xdg_mime_init_from_directory (const char *directory)
 	  list->next = dir_time_list;
 	  dir_time_list = list;
 
-	  caches = realloc (caches, n_caches + 1);
+	  caches = realloc (caches, sizeof (XdgMimeCache *) * (n_caches + 1));
 	  caches[n_caches] = cache;
 	  n_caches++;