diff --git a/engine/libindex.go b/engine/libindex.go
index 771628127..c4a0711e4 100644
--- a/engine/libindex.go
+++ b/engine/libindex.go
@@ -30,10 +30,13 @@ import (
 var (
 	FilterIndexTypes = utils.NewStringSet([]string{utils.MetaPrefix, utils.MetaString, utils.MetaSuffix})
 	// Element or values of a filter that starts with one of this should not be indexed
-	ToNotBeIndexed = []string{utils.DynamicDataPrefix + utils.MetaAccounts,
+	ToNotBeIndexed = []string{
+		utils.DynamicDataPrefix + utils.MetaAccounts,
 		utils.DynamicDataPrefix + utils.MetaStats,
 		utils.DynamicDataPrefix + utils.MetaResources,
-		utils.DynamicDataPrefix + utils.MetaLibPhoneNumber}
+		utils.DynamicDataPrefix + utils.MetaLibPhoneNumber,
+		utils.DynamicDataPrefix + utils.MetaAsm,
+	}
 )
 
 // newFilterIndex will get the index from DataManager if is not found it will create it
diff --git a/engine/z_filterindexer_test.go b/engine/z_filterindexer_test.go
index e6d29e93d..3c029bbeb 100644
--- a/engine/z_filterindexer_test.go
+++ b/engine/z_filterindexer_test.go
@@ -15,11 +15,10 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>
 package engine
 
 import (
-	"reflect"
-	"testing"
-
 	"github.com/cgrates/cgrates/config"
 	"github.com/cgrates/cgrates/utils"
+	"reflect"
+	"testing"
 )
 
 func TestFilterIndexesCheckingDynamicPathToNotIndex(t *testing.T) {
@@ -130,3 +129,77 @@ func TestFilterIndexesCheckingDynamicPathToNotIndex(t *testing.T) {
 		t.Errorf("Expected %+v, received %+v", utils.ToJSON(expIDx), utils.ToJSON(fltrIDx))
 	}
 }
+
+func TestFilterIndexesCheckingDynamicPathToNotIndexAsm(t *testing.T) {
+	Cache.Clear(nil)
+	cfg := config.NewDefaultCGRConfig()
+	db := NewInternalDB(nil, nil, true)
+	dm := NewDataManager(db, cfg.CacheCfg(), nil)
+
+	// set 1 charger profile with different *asm filter to index
+	cghPfr := &ChargerProfile{
+		Tenant: "cgrates.org",
+		ID:     "CHARGER_1",
+		FilterIDs: []string{
+			"*prefix:~*req.DestinationNr:+10227",
+			"*string:~*accounts.RS_ALOC.Available:2",
+			"*string:~*asm.Cost:122.03",
+		},
+		RunID:        "CustomRunID",
+		AttributeIDs: []string{"*none"},
+		Weight:       20,
+	}
+
+	if err := dm.SetChargerProfile(cghPfr, true); err != nil {
+		t.Error(err)
+	}
+
+	expIDx := map[string]utils.StringSet{
+		"*prefix:*req.DestinationNr:+10227": {
+			"CHARGER_1": {},
+		},
+	}
+	if fltrIDx, err := dm.GetIndexes(utils.CacheChargerFilterIndexes,
+		"cgrates.org", utils.EmptyString, true, true); err != nil {
+		t.Error(err)
+	} else if !reflect.DeepEqual(expIDx, fltrIDx) {
+		t.Errorf("Expected %+v, received %+v", utils.ToJSON(expIDx), utils.ToJSON(fltrIDx))
+	}
+}
+
+func TestFilterIndexesCheckingDynamicPathToNotIndexLibphNmbr(t *testing.T) {
+	Cache.Clear(nil)
+	cfg := config.NewDefaultCGRConfig()
+	db := NewInternalDB(nil, nil, true)
+	dm := NewDataManager(db, cfg.CacheCfg(), nil)
+
+	// set 1 charger profile with different *libphonenumber filter to index
+	cghPfr := &ChargerProfile{
+		Tenant: "cgrates.org",
+		ID:     "CHARGER_2",
+		FilterIDs: []string{
+			"*prefix:~*req.CGRID:TEST_ID",
+			"*string:~*opts.TotalCost:~*stats.STS_PRF1.*tcc",
+			"*string:~*libphonenumber.<~*req.Destination:1233",
+		},
+		RunID:        "RAW",
+		AttributeIDs: []string{"attr_1"},
+		Weight:       10,
+	}
+
+	if err := dm.SetChargerProfile(cghPfr, true); err != nil {
+		t.Error(err)
+	}
+
+	expIDx := map[string]utils.StringSet{
+		"*prefix:*req.CGRID:TEST_ID": {
+			"CHARGER_2": {},
+		},
+	}
+	if fltrIDx, err := dm.GetIndexes(utils.CacheChargerFilterIndexes,
+		"cgrates.org", utils.EmptyString, true, true); err != nil {
+		t.Error(err)
+	} else if !reflect.DeepEqual(expIDx, fltrIDx) {
+		t.Errorf("Expected %+v, received %+v", utils.ToJSON(expIDx), utils.ToJSON(fltrIDx))
+	}
+}
diff --git a/engine/z_libindex_health_test.go b/engine/z_libindex_health_test.go
index 5cc55025f..319fb520c 100644
--- a/engine/z_libindex_health_test.go
+++ b/engine/z_libindex_health_test.go
@@ -401,8 +401,8 @@ func TestHealthIndexThreshold(t *testing.T) {
 			Tenant: "cgrates.org",
 			ID:     "TestHealthIndexThreshold",
 			FilterIDs: []string{"*string:~*opts.*eventType:AccountUpdate",
-				"*string:~*asm.ID:1002",
-				"*suffix:BrokenFilter:Invalid"},
+				"*string:~*asm.ID:1002",         // *asm will not be indexing
+				"*suffix:BrokenFilter:Invalid"}, // static value, won't index
 			MaxHits: 1,
 		},
 	}
@@ -413,7 +413,6 @@ func TestHealthIndexThreshold(t *testing.T) {
 	args := &IndexHealthArgsWith3Ch{}
 	exp := &FilterIHReply{
 		MissingIndexes: map[string][]string{
-			"cgrates.org:*string:*asm.ID:1002":                   {"TestHealthIndexThreshold"},
 			"cgrates.org:*string:*opts.*eventType:AccountUpdate": {"TestHealthIndexThreshold"},
 		},
 		BrokenIndexes:  map[string][]string{},
@@ -436,7 +435,7 @@ func TestHealthIndexThreshold(t *testing.T) {
 		"*string:*req.Destination:123": { // index is valid but the obj does not exist
 			"InexistingThreshold": {},
 		},
-    }
+	}
 
 	// we will set manually some indexes that points to an nil object or index is valid but the obj is missing
 	if err := dm.SetIndexes(utils.CacheThresholdFilterIndexes, "cgrates.org",
@@ -446,10 +445,9 @@ func TestHealthIndexThreshold(t *testing.T) {
 	exp = &FilterIHReply{
 		MissingObjects: []string{"cgrates.org:InexistingThreshold"},
 		MissingIndexes: map[string][]string{
-			"cgrates.org:*string:*asm.ID:1002":                   {"TestHealthIndexThreshold"},
 			"cgrates.org:*string:*opts.*eventType:AccountUpdate": {"TestHealthIndexThreshold"},
 		},
-		BrokenIndexes:  map[string][]string{
+		BrokenIndexes: map[string][]string{
 			"cgrates.org:*prefix:req.InvalidIdx:10": {"TestHealthIndexThreshold"},
 		},
 		MissingFilters: map[string][]string{},
@@ -481,10 +479,9 @@ func TestHealthIndexThreshold(t *testing.T) {
 	exp = &FilterIHReply{
 		MissingObjects: []string{"cgrates.org:InexistingThreshold"},
 		MissingIndexes: map[string][]string{
-			"cgrates.org:*string:*asm.ID:1002":                   {"TestHealthIndexThreshold"},
 			"cgrates.org:*string:*opts.*eventType:AccountUpdate": {"TestHealthIndexThreshold"},
 		},
-		BrokenIndexes:  map[string][]string{
+		BrokenIndexes: map[string][]string{
 			"cgrates.org:*prefix:req.InvalidIdx:10": {"TestHealthIndexThreshold"},
 		},
 		MissingFilters: map[string][]string{