diff --git a/jme3-core/src/main/java/com/jme3/post/FilterPostProcessor.java b/jme3-core/src/main/java/com/jme3/post/FilterPostProcessor.java
index bbc4a72679..aec38731aa 100644
--- a/jme3-core/src/main/java/com/jme3/post/FilterPostProcessor.java
+++ b/jme3-core/src/main/java/com/jme3/post/FilterPostProcessor.java
@@ -107,7 +107,7 @@ public class FilterPostProcessor implements SceneProcessor, Savable {
     private boolean multiView = false;
     private AppProfiler prof;
 
-    private Format fbFormat = Format.RGB111110F;
+    private Format fbFormat = null;
     private Format depthFormat = Format.Depth;
 
     /**
@@ -206,13 +206,16 @@ public void initialize(RenderManager rm, ViewPort vp) {
         }
 
         // Determine optimal framebuffer format based on renderer capabilities
-        if (!renderer.getCaps().contains(Caps.PackedFloatTexture)) {
-            if (renderer.getCaps().contains(Caps.FloatColorBufferRGB)) {
-                fbFormat = Format.RGB16F;
-            } else if (renderer.getCaps().contains(Caps.FloatColorBufferRGBA)) {
-                fbFormat = Format.RGBA16F;
-            } else {
-                fbFormat = Format.RGB8;
+        if (fbFormat == null) {
+            fbFormat = Format.RGB111110F;
+            if (!renderer.getCaps().contains(Caps.PackedFloatTexture)) {
+                if (renderer.getCaps().contains(Caps.FloatColorBufferRGB)) {
+                    fbFormat = Format.RGB16F;
+                } else if (renderer.getCaps().contains(Caps.FloatColorBufferRGBA)) {
+                    fbFormat = Format.RGBA16F;
+                } else {
+                    fbFormat = Format.RGB8;
+                }
             }
         }
 
@@ -231,11 +234,11 @@ public void initialize(RenderManager rm, ViewPort vp) {
     }
 
     /**
-     * Returns the default color buffer format used for the internal rendering
-     * passes of the filters. This format is determined during initialization
-     * based on the renderer's capabilities.
+     * Returns the default color buffer format used for the internal rendering passes of the filters. This
+     * format is determined during initialization based on the renderer's capabilities.
      *
-     * @return The default `Format` for the filter pass textures.
+     * @return The default `Format` for the filter pass textures or null if set to be determined
+     *         automatically.
      */
     public Format getDefaultPassTextureFormat() {
         return fbFormat;
@@ -701,10 +704,11 @@ public void setAssetManager(AssetManager assetManager) {
     }
 
     /**
-     * Sets the preferred `Image.Format` to be used for the internal frame buffer's
-     * color buffer.
+     * Sets the preferred `Image.Format` to be used for the internal frame buffer's color buffer.
      *
-     * @param fbFormat The desired `Format` for the color buffer.
+     * @param fbFormat
+     *            The desired `Format` for the color buffer or null to let the processor determine the optimal
+     *            format based on renderer capabilities.
      */
     public void setFrameBufferFormat(Format fbFormat) {
         this.fbFormat = fbFormat;