diff --git a/konq-plugins/arkplugin/arkplugin.cpp b/konq-plugins/arkplugin/arkplugin.cpp
index ed81025..19c97d5 100644
--- a/konq-plugins/arkplugin/arkplugin.cpp
+++ b/konq-plugins/arkplugin/arkplugin.cpp
@@ -261,6 +261,13 @@ void ArkMenu::compMimeTypes()
 {
     unsigned int itemCount = m_urlList.count();
 
+    bool havexz = false;
+    if ( !TDEStandardDirs::findExe( "xz" ).isNull() && m_conf->readBoolEntry( "UseXz", true ) )
+    {
+        havexz = true;
+        m_archiveMimeTypes << "application/x-xz";
+    }
+
     bool havegz = false;
     if ( !TDEStandardDirs::findExe( "gzip" ).isNull() && m_conf->readBoolEntry( "UseGz", true ) )
     {
@@ -285,22 +292,16 @@ void ArkMenu::compMimeTypes()
     }
 
     bool havelzma = false;
-    if ( !TDEStandardDirs::findExe( "lzma" ).isNull() && m_conf->readBoolEntry( "UseLzma", true ) )
+    if ( !TDEStandardDirs::findExe( "lzma" ).isNull() && m_conf->readBoolEntry( "UseLzma", false ) )
     {
         havelzma = true;
         m_archiveMimeTypes << "application/x-lzma";
     }
 
-    bool havexz = false;
-    if ( !TDEStandardDirs::findExe( "xz" ).isNull() && m_conf->readBoolEntry( "UseXz", true ) )
-    {
-        havexz = true;
-        m_archiveMimeTypes << "application/x-xz";
-    }
-
     if ( !TDEStandardDirs::findExe( "tar" ).isNull() && m_conf->readBoolEntry( "UseTar", true ) )
     {
-        m_archiveMimeTypes << "application/x-tar";
+        if ( havexz )
+            m_archiveMimeTypes << "application/x-txz";
         if ( havegz )
             m_archiveMimeTypes << "application/x-tgz";
         if ( havebz2 )
@@ -309,8 +310,7 @@ void ArkMenu::compMimeTypes()
             m_archiveMimeTypes << "application/x-tzo";
         if ( havelzma )
             m_archiveMimeTypes << "application/x-tlz";
-        if ( havexz )
-            m_archiveMimeTypes << "application/x-txz";
+        m_archiveMimeTypes << "application/x-tar";
     }
 
     if ( !TDEStandardDirs::findExe( "lha" ).isNull() && m_conf->readBoolEntry( "UseLha", false ) )
@@ -329,9 +329,9 @@ void ArkMenu::compMimeTypes()
 
     if ( !TDEStandardDirs::findExe( "7z" ).isNull() && m_conf->readBoolEntry( "Use7z", true ) )
         m_archiveMimeTypes << "application/x-7z";
-    else if ( !TDEStandardDirs::findExe( "7za" ).isNull() && m_conf->readBoolEntry( "Use7za", true ) )
+    else if ( !TDEStandardDirs::findExe( "7za" ).isNull() && m_conf->readBoolEntry( "Use7za", false ) )
         m_archiveMimeTypes << "application/x-7z";
-    else if ( !TDEStandardDirs::findExe( "7zr" ).isNull() && m_conf->readBoolEntry( "Use7zr", true ) )
+    else if ( !TDEStandardDirs::findExe( "7zr" ).isNull() && m_conf->readBoolEntry( "Use7zr", false ) )
         m_archiveMimeTypes << "application/x-7z";
 
     if ( !TDEStandardDirs::findExe( "zoo" ).isNull() && m_conf->readBoolEntry( "UseZoo", false ) )
@@ -350,6 +350,13 @@ void ArkMenu::compMimeTypes()
 
 void ArkMenu::extMimeTypes()
 {
+    bool havexz = false;
+    if ( !TDEStandardDirs::findExe( "xz" ).isNull() )
+    {
+        havexz = true;
+        m_extractMimeTypes << "application/x-xz";
+    }
+
     bool havegz = false;
     if ( !TDEStandardDirs::findExe( "gunzip" ).isNull() )
     {
@@ -379,16 +386,10 @@ void ArkMenu::extMimeTypes()
         m_extractMimeTypes << "application/x-lzma";
     }
 
-    bool havexz = false;
-    if ( !TDEStandardDirs::findExe( "xz" ).isNull() )
-    {
-        havexz = true;
-        m_extractMimeTypes << "application/x-xz";
-    }
-
     if ( !TDEStandardDirs::findExe( "tar" ).isNull() )
     {
-        m_extractMimeTypes << "application/x-tar";
+        if ( havexz )
+            m_extractMimeTypes << "application/x-txz";
         if ( havegz )
             m_extractMimeTypes << "application/x-tgz";
         if ( havebz2 )
@@ -397,8 +398,7 @@ void ArkMenu::extMimeTypes()
             m_extractMimeTypes << "application/x-tzo";
         if ( havelzma )
             m_extractMimeTypes << "application/x-tlz";
-        if ( havexz )
-            m_extractMimeTypes << "application/x-txz";
+        m_extractMimeTypes << "application/x-tar";
     }
 
     if ( !TDEStandardDirs::findExe( "lha" ).isNull() )