1 files changed, 1 insertions, 1 deletions
diff --git a/src/cpl.h b/src/cpl.h
index 952847fe..a0ad72c5 100644
--- a/src/cpl.h
+++ b/src/cpl.h
@@ -51,7 +51,7 @@ class CPL : public Asset
 {
 public:
 	CPL (std::string annotation_text, ContentKind content_kind);
-	CPL (boost::filesystem::path file);
+	explicit CPL (boost::filesystem::path file);
 
 	bool equals (
 		boost::shared_ptr<const Asset> other,