Index: gc_core/js/lang_core/gc_engine.js
==================================================================
--- gc_core/js/lang_core/gc_engine.js
+++ gc_core/js/lang_core/gc_engine.js
@@ -295,11 +295,11 @@
 
 //////// init
 
 function load () {
     try {
-        _oDict = new ibdawg.IBDAWG("${js_binary_dic}");
+        _oDict = new ibdawg.IBDAWG("${dic_name}.json");
     }
     catch (e) {
         helpers.logerror(e);
     }
 }

Index: gc_core/py/lang_core/gc_engine.py
==================================================================
--- gc_core/py/lang_core/gc_engine.py
+++ gc_core/py/lang_core/gc_engine.py
@@ -286,11 +286,11 @@
 
 
 def load ():
     global _oDict
     try:
-        _oDict = IBDAWG("${py_binary_dic}")
+        _oDict = IBDAWG("${dic_name}.bdic")
     except:
         traceback.print_exc()
 
 
 def setOption (sOpt, bVal):

Index: gc_lang/fr/build.py
==================================================================
--- gc_lang/fr/build.py
+++ gc_lang/fr/build.py
@@ -51,11 +51,11 @@
     "create extension for Thunderbird"
     print("Building extension for Thunderbird")
     sExtensionName = dVars['tb_identifier'] + "-v" + dVars['version'] + '.xpi'
     spfZip = "_build/" + sExtensionName
     hZip = zipfile.ZipFile(spfZip, mode='w', compression=zipfile.ZIP_DEFLATED)
-    _copyGrammalecteJSPackageInZipFile(hZip, spLangPack, dVars['js_binary_dic'])
+    _copyGrammalecteJSPackageInZipFile(hZip, spLangPack, dVars['dic_name']+".json")
     for spf in ["LICENSE.txt", "LICENSE.fr.txt"]:
         hZip.write(spf)
     dVars = _createOptionsForThunderbird(dVars)
     helpers.addFolderToZipAndFileFile(hZip, "gc_lang/"+sLang+"/tb", "", dVars, True)
     hZip.write("gc_lang/"+sLang+"/xpi/gce_worker.js", "worker/gce_worker.js")

Index: gc_lang/fr/config.ini
==================================================================
--- gc_lang/fr/config.ini
+++ gc_lang/fr/config.ini
@@ -15,12 +15,10 @@
 
 # lexicon source
 lexicon_src = lexicons/French.lex
 # binary dictionary name
 dic_name = French
-py_binary_dic = French.bdic
-js_binary_dic = French.json
 # Finite state automaton compression: 1, 2 (experimental) or 3 (experimental)
 fsa_method = 1
 # stemming method: S for suffixes only, A for prefixes and suffixes
 stemming_method = S
 

Index: make.py
==================================================================
--- make.py
+++ make.py
@@ -74,11 +74,11 @@
     print("Building extension for Writer")
     spfZip = "_build/" + dVars['name'] + "-"+ dVars['lang'] +"-v" + dVars['version'] + '.oxt'
     hZip = zipfile.ZipFile(spfZip, mode='w', compression=zipfile.ZIP_DEFLATED)
 
     # Package and parser
-    copyGrammalectePyPackageInZipFile(hZip, spLangPack, dVars['py_binary_dic'], "pythonpath/")
+    copyGrammalectePyPackageInZipFile(hZip, spLangPack, dVars['dic_name']+".bdic", "pythonpath/")
     hZip.write("cli.py", "pythonpath/cli.py")
 
     # Extension files
     hZip.writestr("META-INF/manifest.xml", helpers.fileFile("gc_core/py/oxt/manifest.xml", dVars))
     hZip.writestr("description.xml", helpers.fileFile("gc_core/py/oxt/description.xml", dVars))
@@ -152,11 +152,11 @@
 
 def createServerZip (sLang, dVars, spLangPack):
     "create server zip"
     spfZip = "_build/" + dVars['name'] + "-"+ dVars['lang'] +"-v" + dVars['version'] + '.zip'
     hZip = zipfile.ZipFile(spfZip, mode='w', compression=zipfile.ZIP_DEFLATED)
-    copyGrammalectePyPackageInZipFile(hZip, spLangPack, dVars['py_binary_dic'])
+    copyGrammalectePyPackageInZipFile(hZip, spLangPack, dVars['dic_name']+".bdic")
     for spf in ["cli.py", "server.py", "bottle.py", "server_options._global.ini", "server_options."+sLang+".ini", \
                 "README.txt", "LICENSE.txt", "LICENSE.fr.txt"]:
         hZip.write(spf)
     hZip.writestr("setup.py", helpers.fileFile("gc_lang/fr/setup.py", dVars))