diff --git a/0001-Avoid-duplicate-MOJO-parameters.patch b/0001-Avoid-duplicate-MOJO-parameters.patch
new file mode 100644
index 0000000..9b1f8a1
--- /dev/null
+++ b/0001-Avoid-duplicate-MOJO-parameters.patch
@@ -0,0 +1,68 @@
+From d72e785c46305fe00eb126d315d2dfe4b98f458a Mon Sep 17 00:00:00 2001
+From: Mikolaj Izdebski <mizdebsk@redhat.com>
+Date: Mon, 13 Oct 2014 11:50:26 +0200
+Subject: [PATCH] Avoid duplicate MOJO parameters
+
+---
+ .../JavaAnnotationsMojoDescriptorExtractor.java    | 24 ++++++++++++++++++++--
+ 1 file changed, 22 insertions(+), 2 deletions(-)
+
+diff --git a/maven-plugin-tools-annotations/src/main/java/org/apache/maven/tools/plugin/annotations/JavaAnnotationsMojoDescriptorExtractor.java b/maven-plugin-tools-annotations/src/main/java/org/apache/maven/tools/plugin/annotations/JavaAnnotationsMojoDescriptorExtractor.java
+index d595438..ed3a17f 100644
+--- a/maven-plugin-tools-annotations/src/main/java/org/apache/maven/tools/plugin/annotations/JavaAnnotationsMojoDescriptorExtractor.java
++++ b/maven-plugin-tools-annotations/src/main/java/org/apache/maven/tools/plugin/annotations/JavaAnnotationsMojoDescriptorExtractor.java
+@@ -61,6 +61,7 @@ import java.util.Collection;
+ import java.util.Collections;
+ import java.util.HashMap;
+ import java.util.HashSet;
++import java.util.Iterator;
+ import java.util.List;
+ import java.util.Map;
+ import java.util.Set;
+@@ -554,7 +555,7 @@ public class JavaAnnotationsMojoDescriptorExtractor
+                 parameter.setSince( parameterAnnotationContent.getSince() );
+                 parameter.setRequired( parameterAnnotationContent.required() );
+ 
+-                mojoDescriptor.addParameter( parameter );
++                addParameter( mojoDescriptor, parameter );
+             }
+ 
+             // Component annotations
+@@ -594,7 +595,7 @@ public class JavaAnnotationsMojoDescriptorExtractor
+                 //parameter.setRequired( ... );
+                 parameter.setEditable( false );
+ 
+-                mojoDescriptor.addParameter( parameter );
++                addParameter( mojoDescriptor, parameter );
+             }
+ 
+             mojoDescriptor.setPluginDescriptor( pluginDescriptor );
+@@ -604,6 +605,25 @@ public class JavaAnnotationsMojoDescriptorExtractor
+         return mojoDescriptors;
+     }
+ 
++    private void addParameter( ExtendedMojoDescriptor mojoDescriptor,
++                               org.apache.maven.plugin.descriptor.Parameter parameter )
++        throws DuplicateParameterException
++    {
++        if ( mojoDescriptor.getParameters() != null )
++        {
++            for ( Iterator<?> it = mojoDescriptor.getParameters().iterator(); it.hasNext(); )
++            {
++                if ( it.next().equals( parameter ) )
++                {
++                    getLogger().warn( "Duplicate parameter " + parameter.getName() + " field in MOJO descriptor" );
++                    it.remove();
++                }
++            }
++        }
++
++        mojoDescriptor.addParameter( parameter );
++    }
++
+     protected ExecuteAnnotationContent findExecuteInParentHierarchy( MojoAnnotatedClass mojoAnnotatedClass,
+                                                                      Map<String, MojoAnnotatedClass> mojoAnnotatedClasses )
+     {
+-- 
+1.9.3
+
diff --git a/maven-plugin-tools.spec b/maven-plugin-tools.spec
index e9c850d..5f21e35 100644
--- a/maven-plugin-tools.spec
+++ b/maven-plugin-tools.spec
@@ -1,14 +1,16 @@
 Name:           maven-plugin-tools
 Version:        3.3
-Release:        1%{?dist}
+Release:        2%{?dist}
 Epoch:          0
 Summary:        Maven Plugin Tools
-
 License:        ASL 2.0
 URL:            http://maven.apache.org/plugin-tools/
-Source0:        http://repo2.maven.org/maven2/org/apache/maven/plugin-tools/%{name}/%{version}/%{name}-%{version}-source-release.zip
 BuildArch:      noarch
 
+Source0:        http://repo2.maven.org/maven2/org/apache/maven/plugin-tools/%{name}/%{version}/%{name}-%{version}-source-release.zip
+
+Patch0:         0001-Avoid-duplicate-MOJO-parameters.patch
+
 BuildRequires:  maven-local
 BuildRequires:  mvn(com.sun:tools)
 BuildRequires:  mvn(com.thoughtworks.qdox:qdox)
@@ -168,6 +170,7 @@ API documentation for %{name}.
 
 %prep
 %setup -q
+%patch0 -p1
 
 # For easier installation
 ln -s maven-script/maven-script-{ant,beanshell} .
@@ -257,6 +260,9 @@ ln -s maven-script/maven-script-{ant,beanshell} .
 
 
 %changelog
+* Mon Oct 13 2014 Mikolaj Izdebski <mizdebsk@redhat.com> - 0:3.3-2
+- Port to maven-reporting-impl 2.3
+
 * Thu Jun 19 2014 Michal Srb <msrb@redhat.com> - 0:3.3-1
 - Update to upstream version 3.3