diff --git a/main/json.c b/main/json.c
index a28dbb2e22..9004978b46 100644
--- a/main/json.c
+++ b/main/json.c
@@ -823,6 +823,7 @@ struct ast_json *ast_json_vpack(char const *format, va_list ap)
 			ast_log(LOG_ERROR,
 				"Error building JSON from '%s': %s.\n",
 				format, error.text);
+			ast_log_backtrace();
 		}
 	}
 	return r;