diff --git a/tests/sms/sms_test.c b/tests/sms/sms_test.c
index c7f47e2..3e14529 100644
--- a/tests/sms/sms_test.c
+++ b/tests/sms/sms_test.c
@@ -384,7 +384,7 @@
 	memcpy(tmp, septet_data, concatenated_part1_septet_length);
 
 	/* In our case: test_multiple_decode[0].ud_hdr_ind equals number of padding bits*/
-	octet_length = gsm_septets2octets(coded, tmp, concatenated_part1_septet_length, test_multiple_encode[0].ud_hdr_ind);
+	octet_length = gsm_septet_pack(coded, tmp, concatenated_part1_septet_length, test_multiple_encode[0].ud_hdr_ind);
 
 	/* copy header */
 	memset(tmp, 0x42, sizeof(tmp));
@@ -402,7 +402,7 @@
 	memcpy(tmp, septet_data + concatenated_part1_septet_length, concatenated_part2_septet_length);
 
 	/* In our case: test_multiple_decode[1].ud_hdr_ind equals number of padding bits*/
-	octet_length = gsm_septets2octets(coded, tmp, concatenated_part2_septet_length, test_multiple_encode[1].ud_hdr_ind);
+	octet_length = gsm_septet_pack(coded, tmp, concatenated_part2_septet_length, test_multiple_encode[1].ud_hdr_ind);
 
 	/* copy header */
 	memset(tmp, 0x42, sizeof(tmp));
diff --git a/tests/sms/sms_test.ok b/tests/sms/sms_test.ok
index 724c166..de1fce3 100644
--- a/tests/sms/sms_test.ok
+++ b/tests/sms/sms_test.ok
@@ -21,20 +21,15 @@
 
 Running test_enc_large_msg
 gsm_7bit_encode_n(len=2048) processed 2048 septets (expected 2048): OK
-gsm_7bit_encode_n(len=2048) used 0 octets in the buffer (expected 1792): FAIL
-	Unexpected chunk at enc_buf[0:7]: 00 00 00 00 00 00 00 
+gsm_7bit_encode_n(len=2048) used 1792 octets in the buffer (expected 1792): OK
 gsm_7bit_encode_n(len=1024) processed 1024 septets (expected 1024): OK
-gsm_7bit_encode_n(len=1024) used 0 octets in the buffer (expected 896): FAIL
-	Unexpected chunk at enc_buf[0:7]: 00 00 00 00 00 00 00 
+gsm_7bit_encode_n(len=1024) used 896 octets in the buffer (expected 896): OK
 gsm_7bit_encode_n(len=555) processed 555 septets (expected 555): OK
-gsm_7bit_encode_n(len=555) used 38 octets in the buffer (expected 486): FAIL
-	Unexpected chunk at enc_buf[35:6]: c1 60 10 00 00 00 
+gsm_7bit_encode_n(len=555) used 486 octets in the buffer (expected 486): OK
 gsm_7bit_encode_n(len=512) processed 512 septets (expected 512): OK
-gsm_7bit_encode_n(len=512) used 0 octets in the buffer (expected 448): FAIL
-	Unexpected chunk at enc_buf[0:7]: 00 00 00 00 00 00 00 
+gsm_7bit_encode_n(len=512) used 448 octets in the buffer (expected 448): OK
 gsm_7bit_encode_n(len=260) processed 260 septets (expected 260): OK
-gsm_7bit_encode_n(len=260) used 4 octets in the buffer (expected 228): FAIL
-	Unexpected chunk at enc_buf[0:6]: c1 60 30 08 00 00 
+gsm_7bit_encode_n(len=260) used 228 octets in the buffer (expected 228): OK
 gsm_7bit_encode_n(len=255) processed 255 septets (expected 255): OK
 gsm_7bit_encode_n(len=255) used 224 octets in the buffer (expected 224): OK
 gsm_7bit_encode_n(len=250) processed 250 septets (expected 250): OK