Fix crash (#3966)

hashicorp · Jul 29, 2019 · 7de18b7 · 7de18b7
1 parent dfd4ceb
commit 7de18b7
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/azurerm/resource_arm_application_gateway.go b/azurerm/resource_arm_application_gateway.go
@@ -1714,7 +1714,7 @@ func flattenApplicationGatewayAuthenticationCertificates(input *[]network.Applic
 		// since the certificate data isn't returned we have to load it from the same index
 		if existing, ok := d.GetOk("authentication_certificate"); ok && existing != nil {
 			existingVals := existing.([]interface{})
-			if len(existingVals) >= i {
+			if len(existingVals) > i {
 				existingCerts := existingVals[i].(map[string]interface{})
 				if data := existingCerts["data"]; data != nil {
 					output["data"] = data.(string)