diff --git a/pkg/core/native/interop.go b/pkg/core/native/interop.go
index f2f3684f1..00f0f3c73 100644
--- a/pkg/core/native/interop.go
+++ b/pkg/core/native/interop.go
@@ -18,30 +18,31 @@ func Call(ic *interop.Context) error {
 	if version != 0 {
 		return fmt.Errorf("native contract of version %d is not active", version)
 	}
-	var c interop.Contract
+	var meta *interop.ContractMD
 	curr := ic.VM.GetCurrentScriptHash()
 	for _, ctr := range ic.Natives {
-		if ctr.Metadata().Hash == curr {
-			c = ctr
+		m := ctr.Metadata()
+		if m.Hash == curr {
+			meta = m
 			break
 		}
 	}
-	if c == nil {
+	if meta == nil {
 		return fmt.Errorf("native contract %s (version %d) not found", curr.StringLE(), version)
 	}
-	history := c.Metadata().UpdateHistory
+	history := meta.UpdateHistory
 	if len(history) == 0 {
-		return fmt.Errorf("native contract %s is disabled", c.Metadata().Name)
+		return fmt.Errorf("native contract %s is disabled", meta.Name)
 	}
 	if history[0] > ic.BlockHeight() {
-		return fmt.Errorf("native contract %s is active after height = %d", c.Metadata().Name, history[0])
+		return fmt.Errorf("native contract %s is active after height = %d", meta.Name, history[0])
 	}
-	m, ok := c.Metadata().GetMethodByOffset(ic.VM.Context().IP())
+	m, ok := meta.GetMethodByOffset(ic.VM.Context().IP())
 	if !ok {
 		return fmt.Errorf("method not found")
 	}
 	reqFlags := m.RequiredFlags
-	if !ic.IsHardforkEnabled(config.HFAspidochelone) && c.Metadata().ID == ManagementContractID &&
+	if !ic.IsHardforkEnabled(config.HFAspidochelone) && meta.ID == ManagementContractID &&
 		(m.MD.Name == "deploy" || m.MD.Name == "update") {
 		reqFlags &= callflag.States | callflag.AllowNotify
 	}