diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 6311d91a0b..6bd0a23258 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2017-01-20  Simon Marchi  <simon.marchi@ericsson.com>
+
+	* python/py-function.c (fnpy_call): Reorder declarations to have
+	the gdbpy_enter object declared first.
+	* python/py-xmethods.c (gdbpy_get_xmethod_arg_types): Likewise.
+
 2017-01-20  Simon Marchi  <simon.marchi@ericsson.com>
 
 	PR python/21068
diff --git a/gdb/python/py-function.c b/gdb/python/py-function.c
index 13c7a11485..6762a6d56e 100644
--- a/gdb/python/py-function.c
+++ b/gdb/python/py-function.c
@@ -59,14 +59,13 @@ static struct value *
 fnpy_call (struct gdbarch *gdbarch, const struct language_defn *language,
 	   void *cookie, int argc, struct value **argv)
 {
-  struct value *value = NULL;
-  /* 'result' must be set to NULL, this initially indicates whether
-     the function was called, or not.  */
-  gdbpy_ref result;
-
+  /* The gdbpy_enter object needs to be placed first, so that it's the last to
+     be destroyed.  */
   gdbpy_enter enter_py (gdbarch, language);
-
+  struct value *value;
+  gdbpy_ref result;
   gdbpy_ref args (convert_values_to_python (argc, argv));
+
   /* convert_values_to_python can return NULL on error.  If we
      encounter this, do not call the function, but allow the Python ->
      error code conversion below to deal with the Python exception.
diff --git a/gdb/python/py-xmethods.c b/gdb/python/py-xmethods.c
index c3ca75a644..6505d066e7 100644
--- a/gdb/python/py-xmethods.c
+++ b/gdb/python/py-xmethods.c
@@ -308,6 +308,9 @@ gdbpy_get_xmethod_arg_types (const struct extension_language_defn *extlang,
 			     struct xmethod_worker *worker,
 			     int *nargs, struct type ***arg_types)
 {
+  /* The gdbpy_enter object needs to be placed first, so that it's the last to
+     be destroyed.  */
+  gdbpy_enter enter_py (get_current_arch (), current_language);
   struct gdbpy_worker_data *worker_data
     = (struct gdbpy_worker_data *) worker->data;
   PyObject *py_worker = worker_data->worker;
@@ -319,8 +322,6 @@ gdbpy_get_xmethod_arg_types (const struct extension_language_defn *extlang,
      an invalid/unusable number of arg types.  */
   *nargs = -1;
 
-  gdbpy_enter enter_py (get_current_arch (), current_language);
-
   gdbpy_ref get_arg_types_method
     (PyObject_GetAttrString (py_worker, get_arg_types_method_name));
   if (get_arg_types_method == NULL)