diff --git a/scm-webapp/src/main/java/sonia/scm/api/rest/RestActionUploadResult.java b/scm-webapp/src/main/java/sonia/scm/api/rest/RestActionUploadResult.java
new file mode 100644
index 0000000000..2143ece628
--- /dev/null
+++ b/scm-webapp/src/main/java/sonia/scm/api/rest/RestActionUploadResult.java
@@ -0,0 +1,54 @@
+/**
+ * Copyright (c) 2010, Sebastian Sdorra All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer. 2. Redistributions in
+ * binary form must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution. 3. Neither the name of SCM-Manager;
+ * nor the names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://bitbucket.org/sdorra/scm-manager
+ *
+ */
+
+
+
+package sonia.scm.api.rest;
+
+import javax.xml.bind.annotation.XmlRootElement;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+@XmlRootElement(name="result")
+public class RestActionUploadResult extends RestActionResult
+{
+
+  /**
+   * Constructs ...
+   *
+   *
+   * @param success
+   */
+  public RestActionUploadResult(boolean success)
+  {
+    super(success);
+  }
+}
diff --git a/scm-webapp/src/main/java/sonia/scm/api/rest/RestActionResultMessageWriter.java b/scm-webapp/src/main/java/sonia/scm/api/rest/RestActionUploadResultMessageWriter.java
similarity index 92%
rename from scm-webapp/src/main/java/sonia/scm/api/rest/RestActionResultMessageWriter.java
rename to scm-webapp/src/main/java/sonia/scm/api/rest/RestActionUploadResultMessageWriter.java
index b026eecdd4..cc2881bd00 100644
--- a/scm-webapp/src/main/java/sonia/scm/api/rest/RestActionResultMessageWriter.java
+++ b/scm-webapp/src/main/java/sonia/scm/api/rest/RestActionUploadResultMessageWriter.java
@@ -30,6 +30,7 @@
  */
 
 
+
 package sonia.scm.api.rest;
 
 //~--- non-JDK imports --------------------------------------------------------
@@ -51,11 +52,14 @@ import javax.ws.rs.ext.MessageBodyWriter;
 import javax.ws.rs.ext.Provider;
 
 /**
+ * Force json output for uploads, because of a bug we have to use a html
+ * mimetype for uploads.
  *
+ * TODO find a better way
  * @author Sebastian Sdorra
  */
 @Provider
-public class RestActionResultMessageWriter
+public class RestActionUploadResultMessageWriter
   implements MessageBodyWriter<RestActionResult>
 {
 
@@ -122,6 +126,7 @@ public class RestActionResultMessageWriter
   public boolean isWriteable(Class<?> type, Type genericType,
     Annotation[] annotations, MediaType mediaType)
   {
-    return RestActionResult.class.isAssignableFrom(type);
+    return RestActionUploadResult.class.isAssignableFrom(type)
+      && mediaType.equals(MediaType.TEXT_HTML_TYPE);
   }
 }
diff --git a/scm-webapp/src/main/java/sonia/scm/api/rest/resources/PluginResource.java b/scm-webapp/src/main/java/sonia/scm/api/rest/resources/PluginResource.java
index b547e02094..02631c39fc 100644
--- a/scm-webapp/src/main/java/sonia/scm/api/rest/resources/PluginResource.java
+++ b/scm-webapp/src/main/java/sonia/scm/api/rest/resources/PluginResource.java
@@ -45,6 +45,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import sonia.scm.api.rest.RestActionResult;
+import sonia.scm.api.rest.RestActionUploadResult;
 import sonia.scm.plugin.DefaultPluginManager;
 import sonia.scm.plugin.OverviewPluginFilter;
 import sonia.scm.plugin.PluginConditionFailedException;
@@ -132,7 +133,7 @@ public class PluginResource
     try
     {
       pluginManager.installPackage(uploadedInputStream);
-      response = Response.ok(new RestActionResult(true)).build();
+      response = Response.ok(new RestActionUploadResult(true)).build();
     }
     catch (PluginConditionFailedException ex)
     {
@@ -173,7 +174,7 @@ public class PluginResource
   }
 
   /**
-   * Installs a plugin from a package. This method is a workaround for ExtJS 
+   * Installs a plugin from a package. This method is a workaround for ExtJS
    * file upload, which requires text/html as content-type.<br />
    * <br />
    * <ul>