1 files changed, 2 insertions, 1 deletions
diff --git a/src/dcp.cc b/src/dcp.cc
index 3316b60e..4b276c45 100644
--- a/src/dcp.cc
+++ b/src/dcp.cc
@@ -62,6 +62,7 @@
 #include "util.h"
 #include "verify.h"
 #include "warnings.h"
+#include <fmt/format.h>
 LIBDCP_DISABLE_WARNINGS
 #include <asdcp/AS_DCP.h>
 LIBDCP_ENABLE_WARNINGS
@@ -475,7 +476,7 @@ DCP::write_assetmap (
 	chunk->add_child("Path")->add_child_text (pkl_path.filename().string());
 	chunk->add_child("VolumeIndex")->add_child_text ("1");
 	chunk->add_child("Offset")->add_child_text ("0");
-	chunk->add_child("Length")->add_child_text (raw_convert<string> (boost::filesystem::file_size (pkl_path)));
+	chunk->add_child("Length")->add_child_text(fmt::to_string(boost::filesystem::file_size(pkl_path)));
 
 	for (auto i: assets()) {
 		i->write_to_assetmap (asset_list, _directory);