diff --git a/example/example7.cpp b/example/example7.cpp
index 415b097..6aabf1c 100644
--- a/example/example7.cpp
+++ b/example/example7.cpp
@@ -80,7 +80,7 @@
         /// Construct from a buffer
         .def("__init__", [](Matrix &v, py::buffer b) {
             py::buffer_info info = b.request();
-            if (info.format != py::format_descriptor<float>::value() || info.ndim != 2)
+            if (info.format != py::format_descriptor<float>::value || info.ndim != 2)
                 throw std::runtime_error("Incompatible buffer format!");
             new (&v) Matrix(info.shape[0], info.shape[1]);
             memcpy(v.data(), info.ptr, sizeof(float) * v.rows() * v.cols());
@@ -103,12 +103,12 @@
        /// Provide buffer access
        .def_buffer([](Matrix &m) -> py::buffer_info {
             return py::buffer_info(
-                m.data(),                              /* Pointer to buffer */
-                sizeof(float),                         /* Size of one scalar */
-                py::format_descriptor<float>::value(), /* Python struct-style format descriptor */
-                2,                                     /* Number of dimensions */
-                { m.rows(), m.cols() },                /* Buffer dimensions */
-                { sizeof(float) * m.rows(),            /* Strides (in bytes) for each index */
+                m.data(),                            /* Pointer to buffer */
+                sizeof(float),                       /* Size of one scalar */
+                py::format_descriptor<float>::value, /* Python struct-style format descriptor */
+                2,                                   /* Number of dimensions */
+                { m.rows(), m.cols() },              /* Buffer dimensions */
+                { sizeof(float) * m.rows(),          /* Strides (in bytes) for each index */
                   sizeof(float) }
             );
         });