diff --git a/tests/sms_queue/sms_queue_test.c b/tests/sms_queue/sms_queue_test.c
index 25fc312..4918be2 100644
--- a/tests/sms_queue/sms_queue_test.c
+++ b/tests/sms_queue/sms_queue_test.c
@@ -158,7 +158,7 @@
 static void test_next_sms()
 {
 	int i;
-	char last_msisdn[VLR_MSISDN_LENGTH+1] = "";
+	char last_msisdn[GSM23003_MSISDN_MAX_DIGITS+1] = "";
 
 	printf("Testing smsq_take_next_sms()\n");