diff --git a/include/osgParticle/ExplosionDebrisEffect b/include/osgParticle/ExplosionDebrisEffect
index 38641d88f..4d62a9232 100644
--- a/include/osgParticle/ExplosionDebrisEffect
+++ b/include/osgParticle/ExplosionDebrisEffect
@@ -43,6 +43,8 @@ namespace osgParticle
 
     protected:
 
+        virtual ~ExplosionDebrisEffect() {}
+
         osg::ref_ptr<ModularEmitter> _emitter;
         osg::ref_ptr<FluidProgram> _program;
 
diff --git a/include/osgParticle/ExplosionEffect b/include/osgParticle/ExplosionEffect
index 60f8120c1..9d7a12cb0 100644
--- a/include/osgParticle/ExplosionEffect
+++ b/include/osgParticle/ExplosionEffect
@@ -43,6 +43,8 @@ namespace osgParticle
     
     protected:
 
+        virtual ~ExplosionEffect() {}
+
         osg::ref_ptr<ModularEmitter> _emitter;
         osg::ref_ptr<FluidProgram> _program;
 
diff --git a/include/osgParticle/FireEffect b/include/osgParticle/FireEffect
index 2cd58c167..e6537832e 100644
--- a/include/osgParticle/FireEffect
+++ b/include/osgParticle/FireEffect
@@ -42,6 +42,8 @@ namespace osgParticle
         virtual const Program* getProgram() const { return _program.get(); }
     
     protected:
+    
+        virtual ~FireEffect() {}
 
         osg::ref_ptr<ModularEmitter> _emitter;
         osg::ref_ptr<FluidProgram> _program;
diff --git a/include/osgParticle/ParticleEffect b/include/osgParticle/ParticleEffect
index e8ce10090..79cfe0354 100644
--- a/include/osgParticle/ParticleEffect
+++ b/include/osgParticle/ParticleEffect
@@ -92,6 +92,8 @@ namespace osgParticle
 
     protected:
     
+        virtual ~ParticleEffect() {}
+
         osg::ref_ptr<ParticleSystem>    _particleSystem;
 
         bool                            _useLocalParticleSystem;        
diff --git a/include/osgParticle/SmokeEffect b/include/osgParticle/SmokeEffect
index a084f5a09..e068d70b5 100644
--- a/include/osgParticle/SmokeEffect
+++ b/include/osgParticle/SmokeEffect
@@ -43,6 +43,8 @@ namespace osgParticle
     
     protected:
 
+        virtual ~SmokeEffect() {}
+        
         osg::ref_ptr<ModularEmitter> _emitter;
         osg::ref_ptr<FluidProgram> _program;
 
diff --git a/include/osgParticle/SmokeTrailEffect b/include/osgParticle/SmokeTrailEffect
index 9c2cd54c2..0eefd93f2 100644
--- a/include/osgParticle/SmokeTrailEffect
+++ b/include/osgParticle/SmokeTrailEffect
@@ -43,6 +43,8 @@ namespace osgParticle
     
     protected:
 
+        virtual ~SmokeTrailEffect() {}
+        
         osg::ref_ptr<ModularEmitter> _emitter;
         osg::ref_ptr<FluidProgram> _program;