diff --git a/engine/balances.go b/engine/balances.go
index 1033ba97f..297dff015 100644
--- a/engine/balances.go
+++ b/engine/balances.go
@@ -822,5 +822,7 @@ func (bl *BalanceSummary) FieldAsInterface(fldPath []string) (val interface{}, e
 		return bl.Value, nil
 	case utils.Disabled:
 		return bl.Disabled, nil
+	case utils.Initial:
+		return bl.Initial, nil
 	}
 }
diff --git a/general_tests/accountswiththresholds_it_test.go b/general_tests/accountswiththresholds_it_test.go
index 1399680d7..a8019fcec 100644
--- a/general_tests/accountswiththresholds_it_test.go
+++ b/general_tests/accountswiththresholds_it_test.go
@@ -116,7 +116,7 @@ func testAccWThdSetThresholdProfile(t *testing.T) {
 	ThdPrf := &engine.ThresholdProfileWithAPIOpts{
 		ThresholdProfile: &engine.ThresholdProfile{
 			Tenant:    "cgrates.org",
-			FilterIDs: []string{"*string:~*opts.*eventType:AccountUpdate", "*string:~*asm.ID:1002", "*lt:~*asm.BalanceSummaries.testBalanceID.Value:56m"},
+			FilterIDs: []string{"*string:~*opts.*eventType:AccountUpdate", "*string:~*asm.ID:1002", "*lt:~*asm.BalanceSummaries.testBalanceID.Value:56m", "*gte:~*asm.BalanceSummaries.testBalanceID.Initial:58m"},
 			ID:        "THD_ACNT_1002",
 			MaxHits:   1,
 		},
diff --git a/guardian/guardian.go b/guardian/guardian.go
index 2b8bc1c1c..c921c495f 100644
--- a/guardian/guardian.go
+++ b/guardian/guardian.go
@@ -175,9 +175,9 @@ func (gl *GuardianLocker) GuardIDs(refID string, timeout time.Duration, lkIDs ..
 }
 
 // UnguardIDs attempts to unlock a set of locks based on their reference ID received on lock
-func (gl *GuardianLocker) UnguardIDs(refID string) (_ []string) {
-	if refID == "" {
-		return
+func (gl *GuardianLocker) UnguardIDs(refID string) []string {
+	if refID != "" {
+		return gl.unlockWithReference(refID)
 	}
-	return gl.unlockWithReference(refID)
+	return nil
 }
diff --git a/utils/consts.go b/utils/consts.go
index 612800079..d2ca8a47a 100644
--- a/utils/consts.go
+++ b/utils/consts.go
@@ -588,6 +588,7 @@ const (
 	ExpiryTime            = "ExpiryTime"
 	AllowNegative         = "AllowNegative"
 	Disabled              = "Disabled"
+	Initial               = "Initial"
 	Action                = "Action"
 
 	SessionSCosts            = "SessionSCosts"