Index: sites/all/modules/contrib/email/translations/fr.po
===================================================================
--- sites/all/modules/contrib/email/translations/fr.po
+++ sites/all/modules/contrib/email/translations/fr.po
@@ -16,7 +16,7 @@
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Plural-Forms: nplurals=0; plural=;\n"
+"Plural-Forms: nplurals=2; plural=(n>1);\n"
 "X-Poedit-Language: French\n"
 
 #: email.module:62