diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 19416118efa..d70a5fe7a3d 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2010-08-24  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+	* python/py-type.c (typy_richcompare): Initialize worklist.
+
 2010-08-24  Daniel Jacobowitz  <dan@codesourcery.com>
 	    Kazu Hirata  <kazu@codesourcery.com>
 	    Jonathan Larmour  <jifl@eCosCentric.com>
diff --git a/gdb/python/py-type.c b/gdb/python/py-type.c
index 4c80210861f..eff2d557b38 100644
--- a/gdb/python/py-type.c
+++ b/gdb/python/py-type.c
@@ -892,7 +892,7 @@ typy_richcompare (PyObject *self, PyObject *other, int op)
   else
     {
       struct bcache *cache;
-      VEC (type_equality_entry_d) *worklist;
+      VEC (type_equality_entry_d) *worklist = NULL;
       struct type_equality_entry entry;
 
       cache = bcache_xmalloc ();