diff --git a/agents/agentreq.go b/agents/agentreq.go
index f339f0a2c..d398849c0 100644
--- a/agents/agentreq.go
+++ b/agents/agentreq.go
@@ -75,7 +75,7 @@ type AgentRequest struct {
 
 // String implements engine.DataProvider
 func (ar *AgentRequest) String() string {
-	return utils.ToJSON(ar)
+	return utils.ToIJSON(ar)
 }
 
 // RemoteHost implements engine.DataProvider
diff --git a/agents/librad.go b/agents/librad.go
index 919d2753b..d72f0dc7e 100644
--- a/agents/librad.go
+++ b/agents/librad.go
@@ -151,7 +151,7 @@ type radiusDP struct {
 // String is part of engine.DataProvider interface
 // when called, it will display the already parsed values out of cache
 func (pk *radiusDP) String() string {
-	return utils.ToJSON(pk.req) // return ToJSON because Packet don't have a string method
+	return utils.ToIJSON(pk.req) // return ToJSON because Packet don't have a string method
 }
 
 // FieldAsInterface is part of engine.DataProvider interface