diff --git a/src/msgpack/vrefbuffer.hpp b/src/msgpack/vrefbuffer.hpp
index 82335277..3017eca1 100644
--- a/src/msgpack/vrefbuffer.hpp
+++ b/src/msgpack/vrefbuffer.hpp
@@ -29,7 +29,9 @@ public:
 	vrefbuffer(size_t ref_size = MSGPACK_VREFBUFFER_REF_SIZE,
 			size_t chunk_size = MSGPACK_VREFBUFFER_CHUNK_SIZE)
 	{
-		msgpack_vrefbuffer_init(this, ref_size, chunk_size);
+		if (!msgpack_vrefbuffer_init(this, ref_size, chunk_size)) {
+			throw std::bad_alloc();
+		}
 	}
 
 	~vrefbuffer()
diff --git a/src/msgpack/zbuffer.hpp b/src/msgpack/zbuffer.hpp
index 08e6fd03..4ccb487b 100644
--- a/src/msgpack/zbuffer.hpp
+++ b/src/msgpack/zbuffer.hpp
@@ -29,7 +29,9 @@ public:
 	zbuffer(int level = Z_DEFAULT_COMPRESSION,
 			size_t init_size = MSGPACK_ZBUFFER_INIT_SIZE)
 	{
-		msgpack_zbuffer_init(this, level, init_size);
+		if (!msgpack_zbuffer_init(this, level, init_size)) {
+			throw std::bad_alloc();
+		}
 	}
 
 	~zbuffer()