diff --git a/dump_entry.cpp b/dump_entry.cpp
index b7fa3a0..98560a2 100644
--- a/dump_entry.cpp
+++ b/dump_entry.cpp
@@ -92,7 +92,7 @@
         j["originatorType"] = originatorType();
         j["startTime"] = startTime();
 
-        os << j.dump();
+        os << j.dump(4);
     }
     catch (const std::exception& e)
     {