diff --git a/include/SFML/Audio/Music.hpp b/include/SFML/Audio/Music.hpp
index de74995c..0b8f70d0 100644
--- a/include/SFML/Audio/Music.hpp
+++ b/include/SFML/Audio/Music.hpp
@@ -55,7 +55,7 @@ public :
     ///                     (ie. size taken by the music in memory) (44100 by default)
     ///
     ////////////////////////////////////////////////////////////
-    Music(std::size_t BufferSize = 44100);
+    explicit Music(std::size_t BufferSize = 44100);
 
     ////////////////////////////////////////////////////////////
     /// Destructor
diff --git a/include/SFML/Audio/Sound.hpp b/include/SFML/Audio/Sound.hpp
index 366d7acf..7cb80026 100644
--- a/include/SFML/Audio/Sound.hpp
+++ b/include/SFML/Audio/Sound.hpp
@@ -72,7 +72,7 @@ public :
     /// \param Position : Position (0, 0, 0 by default)
     ///
     ////////////////////////////////////////////////////////////
-    Sound(const SoundBuffer& Buffer, bool Loop = false, float Pitch = 1.f, float Volume = 100.f, const Vector3f& Position = Vector3f(0, 0, 0));
+    explicit Sound(const SoundBuffer& Buffer, bool Loop = false, float Pitch = 1.f, float Volume = 100.f, const Vector3f& Position = Vector3f(0, 0, 0));
 
     ////////////////////////////////////////////////////////////
     /// Copy constructor