diff --git a/lib/tasks/dev.rake b/lib/tasks/dev.rake
index d00db1a72..a73f3eb24 100644
--- a/lib/tasks/dev.rake
+++ b/lib/tasks/dev.rake
@@ -33,7 +33,7 @@ particulier_userinfo_endpoint: 'https://fcp.integ01.dev-franceconnect.fr/api/v1/
 particulier_logout_endpoint: 'https://fcp.integ01.dev-franceconnect.fr/api/v1/logout'
 EOF
     file.write(comment)
-    file.write("TPS::Application.config.FRANCECONNECT = #{comment}")
+    file.write("TPS::Application.config.FRANCE_CONNECT = #{comment}")
     file.close
   end
 end