2 files changed, 6 insertions, 3 deletions
diff --git a/ingen/serialisation/Parser.hpp b/ingen/serialisation/Parser.hpp
index 2c353f3f..ceaaa99c 100644
--- a/ingen/serialisation/Parser.hpp
+++ b/ingen/serialisation/Parser.hpp
@@ -40,7 +40,7 @@ namespace Serialisation {
  */
 class Parser {
 public:
-	Parser(Shared::World& world);
+	explicit Parser(Shared::World& world);
 
 	virtual ~Parser() {}
 
diff --git a/ingen/serialisation/Serialiser.hpp b/ingen/serialisation/Serialiser.hpp
index 6a4a2705..cfc11c02 100644
--- a/ingen/serialisation/Serialiser.hpp
+++ b/ingen/serialisation/Serialiser.hpp
@@ -36,7 +36,10 @@ class Node;
 class Port;
 class Connection;
 
-namespace Shared { class World; class Store; }
+namespace Shared {
+class World;
+class Store;
+}
 
 namespace Serialisation {
 
@@ -47,7 +50,7 @@ namespace Serialisation {
 class Serialiser
 {
 public:
-	Serialiser(Shared::World& world);
+	explicit Serialiser(Shared::World& world);
 	virtual ~Serialiser();
 
 	typedef GraphObject::Properties Properties;