diff --git a/storage_drivers/azure/api/azure.go b/storage_drivers/azure/api/azure.go
index d93bc0da3..01a4ba674 100644
--- a/storage_drivers/azure/api/azure.go
+++ b/storage_drivers/azure/api/azure.go
@@ -1077,7 +1077,7 @@ func (c Client) ModifyVolume(
 	}
 
 	// Modify the export-rule to restrict the kerberos protocol type
-	if &anfVolume.Properties.ExportPolicy.Rules[0] != nil && &exportRule != nil {
+	if len(anfVolume.Properties.ExportPolicy.Rules) > 0 && &exportRule != nil {
 		anfVolume.Properties.ExportPolicy.Rules[0].Nfsv41 = &exportRule.Nfsv41
 		anfVolume.Properties.ExportPolicy.Rules[0].Kerberos5ReadWrite = &exportRule.Kerberos5ReadWrite
 		anfVolume.Properties.ExportPolicy.Rules[0].Kerberos5ReadOnly = &exportRule.Kerberos5ReadOnly