diff --git a/src/modules/sound/snddefault/OpenalSound.cpp b/src/modules/sound/snddefault/OpenalSound.cpp
index 7e3ace6d4..799e32e8d 100644
--- a/src/modules/sound/snddefault/OpenalSound.cpp
+++ b/src/modules/sound/snddefault/OpenalSound.cpp
@@ -26,23 +26,9 @@
 OpenalSound::OpenalSound(const char* filename, OpenalSoundInterface* sitf,
 						 int flags, bool loop, bool static_pool)
 : Sound(flags, loop)
+, static_pool(static_pool)
+, itf(sitf)
 {
-	this->static_pool = static_pool;
-	poolindex = -1;
-	itf = sitf;
-
-	MAX_DISTANCE = 10000.0f;
-	MAX_DISTANCE_LOW = 5.0f;
-	REFERENCE_DISTANCE = 5.0f;
-	ROLLOFF_FACTOR = 0.5f;
-
-	int i;
-	for (i = 0; i<3; i++) {
-		source_position[i] = 0.0f;
-		source_velocity[i] = 0.0f;
-		zeroes[i] = 0.0f;
-	}
-
 	GfLogTrace("OpenAL : Creating %s source from %s\n",
 			   static_pool ? "static" : "dynamic", filename);
 
diff --git a/src/modules/sound/snddefault/OpenalSound.h b/src/modules/sound/snddefault/OpenalSound.h
index 570cfd9e6..c0d2b29ec 100644
--- a/src/modules/sound/snddefault/OpenalSound.h
+++ b/src/modules/sound/snddefault/OpenalSound.h
@@ -34,21 +34,21 @@ class OpenalSoundInterface;
 
 class OpenalSound : public Sound {
 protected:
-	ALuint buffer; ///< buffer id
-	ALuint source; ///< source id
-	ALfloat source_position[3]; ///< source position
-	ALfloat source_velocity[3]; ///< source velocity
-	ALfloat zeroes[3]; ///< just a vector of 0s
+	ALuint buffer = 0; ///< buffer id
+	ALuint source = 0; ///< source id
+	ALfloat source_position[3] = { 0.0f, 0.0f, 0.0f }; ///< source position
+	ALfloat source_velocity[3] = { 0.0f, 0.0f, 0.0f }; ///< source velocity
+	const ALfloat zeroes[3] = { 0.0f, 0.0f, 0.0f }; ///< just a vector of 0s
 	ALfloat back[6]; ///< direction of back
 	ALfloat front[6]; ///< direction of front 
-	ALfloat MAX_DISTANCE; ///< maximum allowed distance
-	ALfloat MAX_DISTANCE_LOW; ///< maximum allowed distance
-	ALfloat REFERENCE_DISTANCE; ///< reference distance for sound
-	ALfloat ROLLOFF_FACTOR; ///< how fast we need to roll off
-	int poolindex; ///< which pool the sound is assigned to
-	OpenalSoundInterface* itf; ///< Handle to the interface
-	bool static_pool;	///< dynamic or static source assignment?
-	bool is_enabled;	///< is it available at all?
+	ALfloat MAX_DISTANCE = 10000.0f; ///< maximum allowed distance
+	ALfloat MAX_DISTANCE_LOW = 5.0f; ///< maximum allowed distance
+	ALfloat REFERENCE_DISTANCE = 5.0f; ///< reference distance for sound
+	ALfloat ROLLOFF_FACTOR = 0.5f; ///< how fast we need to roll off
+	int poolindex = -1; ///< which pool the sound is assigned to
+	OpenalSoundInterface* itf = nullptr; ///< Handle to the interface
+	bool static_pool = true; ///< dynamic or static source assignment?
+	bool is_enabled = false; ///< is it available at all?
 public:
 	OpenalSound(const char* filename,
 				OpenalSoundInterface* sitf,
diff --git a/src/modules/sound/snddefault/Sound.cpp b/src/modules/sound/snddefault/Sound.cpp
index 81db27f01..c4512ee71 100644
--- a/src/modules/sound/snddefault/Sound.cpp
+++ b/src/modules/sound/snddefault/Sound.cpp
@@ -23,17 +23,8 @@
 
 
 /// Construct a sound.
-Sound::Sound(int flags, bool loop)
+Sound::Sound(int flags, bool loop) : flags(flags), loop(loop)
 {
-	iface = nullptr;
-	this->flags = flags;
-	MAX_VOL = 1.0f;
-	volume = 0.0f;
-	pitch = 1.0f;
-	lowpass = 1.0f;
-	this->loop = loop;
-	playing = false;
-	paused = false;
 }
 
 /// Destructor
diff --git a/src/modules/sound/snddefault/Sound.h b/src/modules/sound/snddefault/Sound.h
index a45eb15f4..e0a2ef712 100644
--- a/src/modules/sound/snddefault/Sound.h
+++ b/src/modules/sound/snddefault/Sound.h
@@ -51,22 +51,22 @@ class Sound
 {
  protected:
 
-	class SoundInterface* iface; ///< Handler to the interface
-	int flags; ///< Flags relating to what effects are to be used.
-	float MAX_VOL; ///< Maximum volume
-	float volume; ///< Current volume
-	float pitch; ///< Current pitch
-	float lowpass; ///< Current low pass filter
-	bool loop; ///< Whether it's a looping sound
-	bool playing; ///< Sound is playing
-    bool paused; ///< sound is paused
+	class SoundInterface* iface = nullptr; ///< Handler to the interface
+	int flags = 0; ///< Flags relating to what effects are to be used.
+	float MAX_VOL = 1.0f; ///< Maximum volume
+	float volume = 0.0f; ///< Current volume
+	float pitch = 1.0f; ///< Current pitch
+	float lowpass = 1.0f; ///< Current low pass filter
+	bool loop = false; ///< Whether it's a looping sound
+	bool playing = false; ///< Sound is playing
+	bool paused = false; ///< sound is paused
 
  public:
 
 	/// Construct a sound.
 	Sound(int flags = (ACTIVE_VOLUME|ACTIVE_PITCH), bool loop = false);
 	
-    /// Destructor
+	/// Destructor
 	virtual ~Sound();
 	
 	virtual void setVolume(float vol);
@@ -112,8 +112,8 @@ class SoundSource
 	sgVec3 p_src; ///< source position
 	sgVec3 u_src; ///< source velocity;
 	float a; ///< Environmental attenuation
-    float f; ///< Environmental frequency shift
-    float lp; ///< Environmental filtering
+	float f; ///< Environmental frequency shift
+	float lp; ///< Environmental filtering
 	SoundSource();
 	void update();
 	void setSource(sgVec3 p, sgVec3 u);