diff --git a/test/object.cpp b/test/object.cpp
index 046ef7a8..deadd1e1 100644
--- a/test/object.cpp
+++ b/test/object.cpp
@@ -352,7 +352,7 @@ TEST(object, clone_int)
     h = msgpack::clone(obj);
     EXPECT_EQ(h.get(), obj);
     EXPECT_EQ(sz1, msgpack::aligned_zone_size(h.get()));
-    h = h;
+    h = msgpack::move(h);
     EXPECT_EQ(h.get(), obj);
     EXPECT_EQ(sz1, msgpack::aligned_zone_size(h.get()));
 }
@@ -369,7 +369,7 @@ TEST(object, clone_str)
     h = msgpack::clone(obj);
     EXPECT_EQ(h.get(), obj);
     EXPECT_EQ(sz1, msgpack::aligned_zone_size(h.get()));
-    h = h;
+    h = msgpack::move(h);
     EXPECT_EQ(h.get(), obj);
     EXPECT_EQ(sz1, msgpack::aligned_zone_size(h.get()));
 }
@@ -389,7 +389,7 @@ TEST(object, clone_bin)
     h = msgpack::clone(obj);
     EXPECT_EQ(h.get(), obj);
     EXPECT_EQ(sz1, msgpack::aligned_zone_size(h.get()));
-    h = h;
+    h = msgpack::move(h);
     EXPECT_EQ(h.get(), obj);
     EXPECT_EQ(sz1, msgpack::aligned_zone_size(h.get()));
 }
@@ -409,7 +409,7 @@ TEST(object, clone_array)
     h = msgpack::clone(obj);
     EXPECT_EQ(h.get(), obj);
     EXPECT_EQ(sz1, msgpack::aligned_zone_size(h.get()));
-    h = h;
+    h = msgpack::move(h);
     EXPECT_EQ(h.get(), obj);
     EXPECT_EQ(sz1, msgpack::aligned_zone_size(h.get()));
 }
@@ -429,7 +429,7 @@ TEST(object, clone_map)
     h = msgpack::clone(obj);
     EXPECT_EQ(h.get(), obj);
     EXPECT_EQ(sz1, msgpack::aligned_zone_size(h.get()));
-    h = h;
+    h = msgpack::move(h);
     EXPECT_EQ(h.get(), obj);
     EXPECT_EQ(sz1, msgpack::aligned_zone_size(h.get()));
 }