diff --git a/scm-webapp/src/main/java/sonia/scm/BindingExtensionProcessor.java b/scm-webapp/src/main/java/sonia/scm/BindingExtensionProcessor.java
index 877008d8f6..d573c597a5 100644
--- a/scm-webapp/src/main/java/sonia/scm/BindingExtensionProcessor.java
+++ b/scm-webapp/src/main/java/sonia/scm/BindingExtensionProcessor.java
@@ -63,6 +63,8 @@ import sonia.scm.web.security.XmlAuthenticationHandler;
 
 import java.util.HashSet;
 import java.util.Set;
+import sonia.scm.repository.FileObjectPreProcessor;
+import sonia.scm.repository.FileObjectPreProcessorFactory;
 
 /**
  *
@@ -105,12 +107,20 @@ public class BindingExtensionProcessor implements ExtensionProcessor
       Multibinder.newSetBinder(binder, AuthenticationHandler.class);
     Multibinder<ResourceHandler> resourceHandler =
       Multibinder.newSetBinder(binder, ResourceHandler.class);
+    Multibinder<RepositoryHook> repositoryHookBinder =
+      Multibinder.newSetBinder(binder, RepositoryHook.class);
+    
+    // changeset pre processor
     Multibinder<ChangesetPreProcessor> changesetPreProcessorBinder =
       Multibinder.newSetBinder(binder, ChangesetPreProcessor.class);
     Multibinder<ChangesetPreProcessorFactory> changesetPreProcessorFactoryBinder =
       Multibinder.newSetBinder(binder, ChangesetPreProcessorFactory.class);
-    Multibinder<RepositoryHook> repositoryHookBinder =
-      Multibinder.newSetBinder(binder, RepositoryHook.class);
+    
+    // fileobject pre processor
+    Multibinder<FileObjectPreProcessor> fileObjectPreProcessorBinder =
+      Multibinder.newSetBinder(binder, FileObjectPreProcessor.class);
+    Multibinder<FileObjectPreProcessorFactory> fileObjectPreProcessorFactoryBinder =
+      Multibinder.newSetBinder(binder, FileObjectPreProcessorFactory.class);
 
     // listeners
     Multibinder<RepositoryListener> repositoryListenerBinder =
@@ -233,6 +243,27 @@ public class BindingExtensionProcessor implements ExtensionProcessor
 
         changesetPreProcessorFactoryBinder.addBinding().to(extensionClass);
       }
+      else if (FileObjectPreProcessor.class.isAssignableFrom(extensionClass))
+      {
+        if (logger.isInfoEnabled())
+        {
+          logger.info("bind FileObjectPreProcessor {}",
+                      extensionClass.getName());
+        }
+
+        fileObjectPreProcessorBinder.addBinding().to(extensionClass);
+      }
+      else if (FileObjectPreProcessorFactory.class.isAssignableFrom(
+              extensionClass))
+      {
+        if (logger.isInfoEnabled())
+        {
+          logger.info("bind FileObjectPreProcessorFactory {}",
+                      extensionClass.getName());
+        }
+
+        fileObjectPreProcessorFactoryBinder.addBinding().to(extensionClass);
+      }
       else if (RepositoryHook.class.isAssignableFrom(extensionClass))
       {
         if (logger.isInfoEnabled())