diff --git a/jme3-core/src/main/java/com/jme3/material/Material.java b/jme3-core/src/main/java/com/jme3/material/Material.java
index a727f104e..6e3e36bfc 100644
--- a/jme3-core/src/main/java/com/jme3/material/Material.java
+++ b/jme3-core/src/main/java/com/jme3/material/Material.java
@@ -777,6 +777,7 @@ public class Material implements CloneableSmartAsset, Cloneable, Savable {
         Vector4f tmpVec = vars.vect4f1;
         int curIndex;
         int endIndex = numLights + startIndex;
+        boolean useIBL = false;
         for (curIndex = startIndex; curIndex < endIndex && curIndex < lightList.size(); curIndex++) {
 
 
@@ -841,7 +842,8 @@ public class Material implements CloneableSmartAsset, Cloneable, Savable {
                         lightDataIndex++;
                         break;
                     case Probe:
-                        
+                        useIBL = true;
+                        technique.setUseIndirectLighting(true);
                         endIndex++;
                         LightProbe probe = (LightProbe)l;
                         BoundingSphere s = (BoundingSphere)probe.getBounds();
@@ -862,6 +864,10 @@ public class Material implements CloneableSmartAsset, Cloneable, Savable {
                 }
         }
         vars.release();
+        
+        if(!useIBL ){ 
+            technique.setUseIndirectLighting(false);            
+        }
         //Padding of unsued buffer space
         while(lightDataIndex < numLights * 3) {
             lightData.setVector4InArray(0f, 0f, 0f, 0f, lightDataIndex);
@@ -1238,7 +1244,7 @@ public class Material implements CloneableSmartAsset, Cloneable, Savable {
                         nbRenderedLights = updateLightListUniforms(shader, geom, lights, rm.getSinglePassLightBatchSize(), rm, nbRenderedLights);
                         r.setShader(shader);
                         renderMeshFromGeometry(r, geom);
-                    }
+                    }                    
                 }
                 return;
             case FixedPipeline:
diff --git a/jme3-core/src/main/java/com/jme3/material/Technique.java b/jme3-core/src/main/java/com/jme3/material/Technique.java
index 8321991bf..66fe319e6 100644
--- a/jme3-core/src/main/java/com/jme3/material/Technique.java
+++ b/jme3-core/src/main/java/com/jme3/material/Technique.java
@@ -187,6 +187,15 @@ public class Technique /* implements Savable */ {
             loadShader(assetManager,rendererCaps);
         }
     }
+    
+    public void setUseIndirectLighting(boolean useIBL){
+        if(useIBL){
+            defines.set("INDIRECT_LIGHTING", VarType.Boolean, true);
+        }else{
+            defines.remove("INDIRECT_LIGHTING");
+        }
+        needReload = true;
+    }
 
     private void loadShader(AssetManager manager,EnumSet<Caps> rendererCaps) {
         
diff --git a/jme3-core/src/main/resources/Common/MatDefs/Light/PBRLighting.frag b/jme3-core/src/main/resources/Common/MatDefs/Light/PBRLighting.frag
index 240fed2ba..de9150b86 100644
--- a/jme3-core/src/main/resources/Common/MatDefs/Light/PBRLighting.frag
+++ b/jme3-core/src/main/resources/Common/MatDefs/Light/PBRLighting.frag
@@ -202,7 +202,7 @@ void main(){
         gl_FragColor.rgb += directLighting * fallOff;
     }
 
- //   #ifdef INDIRECT_LIGHTING
+    #ifdef INDIRECT_LIGHTING
         vec3 rv = reflect(-viewDir.xyz, normal.xyz);
         //prallax fix for spherical bounds.
         rv = g_ProbeData.w * (wPosition - g_ProbeData.xyz) +rv;
@@ -223,7 +223,7 @@ void main(){
         vec3 indirectLighting =  indirectDiffuse + indirectSpecular;
         
         gl_FragColor.rgb = gl_FragColor.rgb + indirectLighting ;        
-  //  #endif
+    #endif
  
     #if defined(EMISSIVE) || defined (EMISSIVEMAP)
         #ifdef EMISSIVEMAP
diff --git a/jme3-examples/src/main/java/jme3test/light/pbr/TestPbrEnv.java b/jme3-examples/src/main/java/jme3test/light/pbr/TestPbrEnv.java
index fa6fa8df2..e1754f6fa 100644
--- a/jme3-examples/src/main/java/jme3test/light/pbr/TestPbrEnv.java
+++ b/jme3-examples/src/main/java/jme3test/light/pbr/TestPbrEnv.java
@@ -265,13 +265,15 @@ public class TestPbrEnv extends SimpleApplication implements ActionListener {
         inputManager.addMapping("down", new KeyTrigger(KeyInput.KEY_DOWN));
         inputManager.addMapping("right", new KeyTrigger(KeyInput.KEY_RIGHT));
         inputManager.addMapping("left", new KeyTrigger(KeyInput.KEY_LEFT));
+        inputManager.addMapping("delete", new KeyTrigger(KeyInput.KEY_DELETE));
 
-        inputManager.addListener(this, "switchGroundMat", "snapshot", "debugTex", "debugProbe", "fc", "up", "down", "left", "right");
+        inputManager.addListener(this, "delete","switchGroundMat", "snapshot", "debugTex", "debugProbe", "fc", "up", "down", "left", "right");
     }
     
     private LightProbe lastProbe;
     private Node debugGui ;
 
+    @Override
     public void onAction(String name, boolean keyPressed, float tpf) {
 
         if (name.equals("switchGroundMat") && keyPressed) {
@@ -290,6 +292,13 @@ public class TestPbrEnv extends SimpleApplication implements ActionListener {
             rootNode.addLight(lastProbe);
 
         }
+        
+        if (name.equals("delete") && keyPressed) {           
+            System.err.println(rootNode.getWorldLightList().size());
+            rootNode.removeLight(lastProbe);           
+            System.err.println("deleted");
+            System.err.println(rootNode.getWorldLightList().size());
+        }
 
         if (name.equals("fc") && keyPressed) {