diff --git a/paddle/operators/get_places_op.cc b/paddle/operators/get_places_op.cc
index dd937488f4cb2b8ac53a6b0b179416ab1faedee5..96a019ac799d3477f7319562ab0f7bc26f8a6560 100644
--- a/paddle/operators/get_places_op.cc
+++ b/paddle/operators/get_places_op.cc
@@ -35,7 +35,7 @@ class GetPlacesOp : public framework::OperatorBase {
                    out_var_name);
 
     auto &places = *(out_var->GetMutable<std::vector<platform::Place>>());
-    places.reserve(trainer_count);
+    places.resize(trainer_count);
     if (use_gpu) {
       for (int i = 0; i < trainer_count; i++) {
         places.emplace_back(platform::GPUPlace(i));
diff --git a/python/paddle/v2/fluid/tests/test_layers.py b/python/paddle/v2/fluid/tests/test_layers.py
index 2286e94a90a4810dfb170ba6e929a7c4f3edaba1..4a03ca68fffca556ba3747f64bb858d0e735d33e 100644
--- a/python/paddle/v2/fluid/tests/test_layers.py
+++ b/python/paddle/v2/fluid/tests/test_layers.py
@@ -170,6 +170,12 @@ class TestBook(unittest.TestCase):
             self.assertIsNotNone(layers.sequence_expand(x=x, y=y))
         print(str(program))
 
+    def test_get_places(self):
+        program = Program()
+        with program_guard(program):
+            x = layers.get_places(use_gpu=True, trainer_count=4)
+        print(str(program))
+
 
 if __name__ == '__main__':
     unittest.main()