diff --git a/config/objdp.go b/config/objdp.go
index 7fb4ad9b4..10ed91fb0 100644
--- a/config/objdp.go
+++ b/config/objdp.go
@@ -54,6 +54,7 @@ func (objDP *ObjectDP) String() string {
 
 // FieldAsInterface is part of engine.DataProvider interface
 func (objDP *ObjectDP) FieldAsInterface(fldPath []string) (data interface{}, err error) {
+	obj := objDP.obj
 	// []string{ BalanceMap *monetary[0] Value }
 	var has bool
 	if data, has = objDP.getCache(strings.Join(fldPath, utils.NestingSep)); has {
@@ -75,10 +76,9 @@ func (objDP *ObjectDP) FieldAsInterface(fldPath []string) (data interface{}, err
 		} else {
 			prevFld += utils.NestingSep + fld
 		}
-
 		// check if we take the current path from cache
 		if data, has = objDP.getCache(prevFld); !has {
-			if data, err = utils.ReflectFieldMethodInterface(objDP.obj, fld); err != nil { // take the object the field for current path
+			if data, err = utils.ReflectFieldMethodInterface(obj, fld); err != nil { // take the object the field for current path
 				// in case of error set nil for the current path and return err
 				objDP.setCache(prevFld, nil)
 				return nil, err
@@ -86,14 +86,13 @@ func (objDP *ObjectDP) FieldAsInterface(fldPath []string) (data interface{}, err
 			// add the current field in prevFld so we can set in cache the full path with it's data
 			objDP.setCache(prevFld, data)
 		}
-
 		// change the obj to be the current data and continue the processing
-		objDP.obj = data
+		obj = data
 		if slctrStr != utils.EmptyString { //we have selector so we need to do an aditional get
 			prevFld += utils.IdxStart + slctrStr + utils.IdxEnd
 			// check if we take the current path from cache
 			if data, has = objDP.getCache(prevFld); !has {
-				if data, err = utils.ReflectFieldMethodInterface(objDP.obj, slctrStr); err != nil { // take the object the field for current path
+				if data, err = utils.ReflectFieldMethodInterface(obj, slctrStr); err != nil { // take the object the field for current path
 					// in case of error set nil for the current path and return err
 					objDP.setCache(prevFld, nil)
 					return nil, err
@@ -102,7 +101,7 @@ func (objDP *ObjectDP) FieldAsInterface(fldPath []string) (data interface{}, err
 				objDP.setCache(prevFld, data)
 			}
 			// change the obj to be the current data and continue the processing
-			objDP.obj = data
+			obj = data
 		}
 
 	}
diff --git a/engine/eventcost_test.go b/engine/eventcost_test.go
index c888c9273..4a46a72a2 100644
--- a/engine/eventcost_test.go
+++ b/engine/eventcost_test.go
@@ -23,6 +23,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/cgrates/cgrates/config"
 	"github.com/cgrates/cgrates/utils"
 )
 
@@ -2281,3 +2282,27 @@ func TestECSyncKeys(t *testing.T) {
 			utils.ToIJSON(eEC), utils.ToIJSON(ec))
 	}
 }
+
+func TestECAsDataProvider(t *testing.T) {
+	ecDP := config.NewObjectDP(testEC)
+	if data, err := ecDP.FieldAsInterface([]string{"RunID"}); err != nil {
+		t.Error(err)
+	} else if data != utils.META_DEFAULT {
+		t.Errorf("Expecting: <%s> \nreceived: <%s>", utils.META_DEFAULT, data)
+	}
+	if data, err := ecDP.FieldAsInterface([]string{"AccountSummary", "ID"}); err != nil {
+		t.Error(err)
+	} else if data != "dan" {
+		t.Errorf("Expecting: <%s> \nreceived: <%s>", "data", data)
+	}
+	if data, err := ecDP.FieldAsInterface([]string{"AccountSummary", "BalanceSummaries[1]", "ID"}); err != nil {
+		t.Error(err)
+	} else if data != "4b8b53d7-c1a1-4159-b845-4623a00a0165" {
+		t.Errorf("Expecting: <%s> \nreceived: <%s>", "4b8b53d7-c1a1-4159-b845-4623a00a0165", data)
+	}
+	if data, err := ecDP.FieldAsInterface([]string{"AccountSummary", "BalanceSummaries[2]", "Type"}); err != nil {
+		t.Error(err)
+	} else if data != "*voice" {
+		t.Errorf("Expecting: <%s> \nreceived: <%s>", "*voice", data)
+	}
+}