diff --git a/builtin/providers/azurerm/resource_arm_network_security_rule_test.go b/builtin/providers/azurerm/resource_arm_network_security_rule_test.go
index 0160c8b04..cb241f312 100644
--- a/builtin/providers/azurerm/resource_arm_network_security_rule_test.go
+++ b/builtin/providers/azurerm/resource_arm_network_security_rule_test.go
@@ -158,7 +158,7 @@ func testCheckAzureRMNetworkSecurityRuleDestroy(s *terraform.State) error {
 func testAccAzureRMNetworkSecurityRule_basic(rInt int) string {
 	return fmt.Sprintf(`
 resource "azurerm_resource_group" "test" {
-    name = "acceptanceTestResourceGroup1"
+    name = "acctestRG-%d"
     location = "West US"
 }
 
@@ -187,7 +187,7 @@ resource "azurerm_network_security_rule" "test" {
 func testAccAzureRMNetworkSecurityRule_updateBasic(rInt int) string {
 	return fmt.Sprintf(`
 resource "azurerm_resource_group" "test1" {
-    name = "acceptanceTestResourceGroup2"
+    name = "acctestRG-%d"
     location = "West US"
 }
 
@@ -216,7 +216,7 @@ resource "azurerm_network_security_rule" "test1" {
 func testAccAzureRMNetworkSecurityRule_updateExtraRule(rInt int) string {
 	return fmt.Sprintf(`
 resource "azurerm_resource_group" "test1" {
-    name = "acceptanceTestResourceGroup2"
+    name = "acctestRG-%d"
     location = "West US"
 }