diff --git a/loaddictionaries.cc b/loaddictionaries.cc
index 60a8adb5..24bdd1aa 100644
--- a/loaddictionaries.cc
+++ b/loaddictionaries.cc
@@ -131,14 +131,6 @@ void LoadDictionaries::handlePath( Config::Path const & path )
       allFiles.push_back( FsEncoding::encode( QDir::toNativeSeparators( fullName ) ) );
   }
 
-  {
-    vector< sptr< Dictionary::Class > > mdxDictionaries =
-      Mdx::makeDictionaries( allFiles, FsEncoding::encode( Config::getIndexDir() ), *this );
-
-    dictionaries.insert( dictionaries.end(), mdxDictionaries.begin(),
-                         mdxDictionaries.end() );
-  }
-
   {
     vector< sptr< Dictionary::Class > > bglDictionaries =
       Bgl::makeDictionaries( allFiles, FsEncoding::encode( Config::getIndexDir() ), *this );
@@ -207,6 +199,13 @@ void LoadDictionaries::handlePath( Config::Path const & path )
     dictionaries.insert( dictionaries.end(), zipSoundsDictionaries.begin(),
                          zipSoundsDictionaries.end() );
   }
+  {
+    vector< sptr< Dictionary::Class > > mdxDictionaries =
+      Mdx::makeDictionaries( allFiles, FsEncoding::encode( Config::getIndexDir() ), *this );
+
+    dictionaries.insert( dictionaries.end(), mdxDictionaries.begin(),
+                         mdxDictionaries.end() );
+  }
   {
     vector< sptr< Dictionary::Class > > glsDictionaries =
       Gls::makeDictionaries( allFiles, FsEncoding::encode( Config::getIndexDir() ), *this );
diff --git a/mdx.cc b/mdx.cc
index dc838b01..4f76da56 100644
--- a/mdx.cc
+++ b/mdx.cc
@@ -1455,21 +1455,18 @@ static void findResourceFiles( string const & mdx, vector< string > & dictFiles
   }
 }
 
-vector< sptr< Dictionary::Class > > makeDictionaries( vector< string > & fileNames,
+vector< sptr< Dictionary::Class > > makeDictionaries( vector< string > const & fileNames,
                                                       string const & indicesDir,
                                                       Dictionary::Initializing & initializing ) 
 {
   vector< sptr< Dictionary::Class > > dictionaries;
 
-  for ( vector< string >::iterator i = fileNames.begin(); i != fileNames.end();  )
+  for ( vector< string >::const_iterator i = fileNames.begin(); i != fileNames.end(); ++i )
   {
     // Skip files with the extensions different to .mdx to speed up the
     // scanning
     if ( i->size() < 4 || strcasecmp( i->c_str() + ( i->size() - 4 ), ".mdx" ) != 0 )
-    {
-      i++;
       continue;
-    }
 
     vector< string > dictFiles( 1, *i );
     findResourceFiles( *i, dictFiles );
@@ -1656,8 +1653,6 @@ vector< sptr< Dictionary::Class > > makeDictionaries( vector< string > & fileNam
     }
 
     dictionaries.push_back( new MdxDictionary( dictId, indexFile, dictFiles ) );
-
-    i=fileNames.erase(i);
   }
 
   return dictionaries;
diff --git a/mdx.hh b/mdx.hh
index 4b2895cf..e8f56ce2 100644
--- a/mdx.hh
+++ b/mdx.hh
@@ -12,7 +12,7 @@ namespace Mdx
 using std::vector;
 using std::string;
 
-vector< sptr< Dictionary::Class > > makeDictionaries( vector< string > & fileNames,
+vector< sptr< Dictionary::Class > > makeDictionaries( vector< string > const & fileNames,
                                                       string const & indicesDir,
                                                       Dictionary::Initializing & ) ;