diff --git a/userspace/engine/formats.cpp b/userspace/engine/formats.cpp
index 25e4ee9a..ca9acf14 100644
--- a/userspace/engine/formats.cpp
+++ b/userspace/engine/formats.cpp
@@ -44,8 +44,9 @@ void falco_formats::init(sinsp *inspector,
 	s_json_include_output_property = json_include_output_property;
 	if(!s_formatters)
 	{
-		s_formatters = new sinsp_evt_formatter_cache(s_inspector);
+		delete(s_formatters);
 	}
+	s_formatters = new sinsp_evt_formatter_cache(s_inspector);
 
 	luaL_openlib(ls, "formats", ll_falco, 0);
 }