diff --git a/algo/vidjil.cpp b/algo/vidjil.cpp
index 82018c1f8eb199f970f8642af0a79193b8ed0bf5..580501048fec96770035a7bb1e80138220a4a271 100644
--- a/algo/vidjil.cpp
+++ b/algo/vidjil.cpp
@@ -230,6 +230,7 @@ int main (int argc, char **argv)
 #endif
 
   CLI::App app{"# vidjil-algo -- V(D)J recombinations analysis", argv[0]};
+  app.config_formatter(std::make_shared<ConfigJSON>());
   app.get_formatter()->label("REQUIRED", "");
   app.get_formatter()->label("Positionnals", "");
   app.failure_message(failure_message_doc);
@@ -744,6 +745,9 @@ int main (int argc, char **argv)
   }
   cout << endl;
 
+  // Dump configuration
+  json j_config = json::parse(app.config_to_str(true, true));
+
   //////////////////////////////////
   // Display time and date
   time_t rawtime;
@@ -1557,6 +1561,7 @@ int main (int argc, char **argv)
 
 
     // Complete main output
+    output.set("config", j_config);
     output.set("diversity", jsonDiversity);
     output.set("samples", "log", { stream_segmentation_info.str() }) ;
     output.set("reads", {