diff --git a/plugins/input/csv/csv_datasource.cpp b/plugins/input/csv/csv_datasource.cpp
index 49af6c969..8fe770b6a 100644
--- a/plugins/input/csv/csv_datasource.cpp
+++ b/plugins/input/csv/csv_datasource.cpp
@@ -72,7 +72,7 @@ csv_datasource::csv_datasource(parameters const& params)
       manual_headers_(mapnik::util::trim_copy(*params.get<std::string>("headers", ""))),
       strict_(*params.get<mapnik::boolean>("strict", false)),
       filesize_max_(*params.get<double>("filesize_max", 20.0)),  // MB
-      ctx_(std::make_shared<mapnik::context_type>())
+      ctx_(std::make_shared<mapnik::context_type>()),
       extent_initialized_(false)
 {
     /* TODO: