diff --git a/tests/unittests/tests-gcoap/tests-gcoap.c b/tests/unittests/tests-gcoap/tests-gcoap.c
index 4bb42affbd..a043847ae6 100644
--- a/tests/unittests/tests-gcoap/tests-gcoap.c
+++ b/tests/unittests/tests-gcoap/tests-gcoap.c
@@ -89,7 +89,7 @@ static void test_gcoap__client_get_req(void)
     len = gcoap_request(&pdu, &buf[0], CONFIG_GCOAP_PDU_BUF_SIZE,
                                                 COAP_METHOD_GET, &path[0]);
 
-    TEST_ASSERT_EQUAL_INT(COAP_METHOD_GET, coap_get_code(&pdu));
+    TEST_ASSERT_EQUAL_INT(COAP_METHOD_GET, coap_get_code_decimal(&pdu));
     TEST_ASSERT_EQUAL_INT(CONFIG_GCOAP_TOKENLEN, coap_get_token_len(&pdu));
     TEST_ASSERT_EQUAL_INT(hdr_fixed_len + CONFIG_GCOAP_TOKENLEN,
                           coap_get_total_hdr_len(&pdu));
@@ -157,7 +157,7 @@ static void test_gcoap__client_put_req(void)
 
     coap_parse(&pdu, buf, len + 1);
 
-    TEST_ASSERT_EQUAL_INT(COAP_METHOD_PUT, coap_get_code(&pdu));
+    TEST_ASSERT_EQUAL_INT(COAP_METHOD_PUT, coap_get_code_decimal(&pdu));
     TEST_ASSERT_EQUAL_INT(1, pdu.payload_len);
     TEST_ASSERT_EQUAL_INT('1', (char)*pdu.payload);
 }
@@ -223,7 +223,7 @@ static void test_gcoap__client_ping(void)
                          NULL);
 
     TEST_ASSERT_EQUAL_INT(0, res);
-    TEST_ASSERT_EQUAL_INT(COAP_CODE_EMPTY, coap_get_code(&pdu));
+    TEST_ASSERT_EQUAL_INT(COAP_CODE_EMPTY, coap_get_code_decimal(&pdu));
     TEST_ASSERT_EQUAL_INT(COAP_TYPE_CON, coap_get_type(&pdu));
     TEST_ASSERT_EQUAL_INT(0, coap_get_token_len(&pdu));
 
@@ -261,7 +261,7 @@ static void test_gcoap__server_get_req(void)
     int res = _read_cli_stats_req(&pdu, &buf[0]);
 
     TEST_ASSERT_EQUAL_INT(0, res);
-    TEST_ASSERT_EQUAL_INT(COAP_METHOD_GET, coap_get_code(&pdu));
+    TEST_ASSERT_EQUAL_INT(COAP_METHOD_GET, coap_get_code_decimal(&pdu));
     TEST_ASSERT_EQUAL_INT(2, coap_get_token_len(&pdu));
     TEST_ASSERT_EQUAL_INT(4 + 2, coap_get_total_hdr_len(&pdu));
     TEST_ASSERT_EQUAL_INT(COAP_TYPE_NON, coap_get_type(&pdu));
@@ -333,7 +333,7 @@ static void test_gcoap__server_con_req(void)
     int res = _read_cli_stats_req_con(&pdu, &buf[0]);
 
     TEST_ASSERT_EQUAL_INT(0, res);
-    TEST_ASSERT_EQUAL_INT(COAP_METHOD_GET, coap_get_code(&pdu));
+    TEST_ASSERT_EQUAL_INT(COAP_METHOD_GET, coap_get_code_decimal(&pdu));
     TEST_ASSERT_EQUAL_INT(COAP_TYPE_CON, coap_get_type(&pdu));
 }
 
diff --git a/tests/unittests/tests-nanocoap/tests-nanocoap.c b/tests/unittests/tests-nanocoap/tests-nanocoap.c
index 75f5cb1437..dafbfa070d 100644
--- a/tests/unittests/tests-nanocoap/tests-nanocoap.c
+++ b/tests/unittests/tests-nanocoap/tests-nanocoap.c
@@ -108,7 +108,7 @@ static void test_nanocoap__get_req(void)
 
     coap_pkt_init(&pkt, &buf[0], sizeof(buf), len);
 
-    TEST_ASSERT_EQUAL_INT(COAP_METHOD_GET, coap_get_code(&pkt));
+    TEST_ASSERT_EQUAL_INT(COAP_METHOD_GET, coap_get_code_decimal(&pkt));
     TEST_ASSERT_EQUAL_INT(2, coap_get_token_len(&pkt));
     TEST_ASSERT_EQUAL_INT(total_hdr_len, coap_get_total_hdr_len(&pkt));
     TEST_ASSERT_EQUAL_INT(COAP_TYPE_NON, coap_get_type(&pkt));
@@ -146,7 +146,7 @@ static void test_nanocoap__put_req(void)
 
     coap_pkt_init(&pkt, &buf[0], sizeof(buf), len);
 
-    TEST_ASSERT_EQUAL_INT(COAP_METHOD_PUT, coap_get_code(&pkt));
+    TEST_ASSERT_EQUAL_INT(COAP_METHOD_PUT, coap_get_code_decimal(&pkt));
     TEST_ASSERT_EQUAL_INT(122, pkt.payload_len);
 
     len = coap_opt_add_string(&pkt, COAP_OPT_URI_PATH, &path[0], '/');
@@ -683,7 +683,7 @@ static void test_nanocoap__server_get_req(void)
     int res = _read_riot_value_req(&pkt, &buf[0]);
 
     TEST_ASSERT_EQUAL_INT(0, res);
-    TEST_ASSERT_EQUAL_INT(COAP_METHOD_GET, coap_get_code(&pkt));
+    TEST_ASSERT_EQUAL_INT(COAP_METHOD_GET, coap_get_code_decimal(&pkt));
     TEST_ASSERT_EQUAL_INT(2, coap_get_token_len(&pkt));
     TEST_ASSERT_EQUAL_INT(4 + 2, coap_get_total_hdr_len(&pkt));
     TEST_ASSERT_EQUAL_INT(COAP_TYPE_NON, coap_get_type(&pkt));
@@ -740,7 +740,7 @@ static void test_nanocoap__server_get_req_con(void)
     int res = _read_riot_value_req_con(&pkt, &buf[0]);
 
     TEST_ASSERT_EQUAL_INT(0, res);
-    TEST_ASSERT_EQUAL_INT(COAP_METHOD_GET, coap_get_code(&pkt));
+    TEST_ASSERT_EQUAL_INT(COAP_METHOD_GET, coap_get_code_decimal(&pkt));
     TEST_ASSERT_EQUAL_INT(COAP_TYPE_CON, coap_get_type(&pkt));
 }
 
@@ -1081,7 +1081,7 @@ static void test_nanocoap__token_length_ext_16(void)
     int res = coap_parse(&pkt, buf, 21);
 
     TEST_ASSERT_EQUAL_INT(0, res);
-    TEST_ASSERT_EQUAL_INT(204, coap_get_code(&pkt));
+    TEST_ASSERT_EQUAL_INT(204, coap_get_code_decimal(&pkt));
     TEST_ASSERT_EQUAL_INT(23, coap_get_id(&pkt));
     TEST_ASSERT_EQUAL_INT(strlen(token), coap_get_token_len(&pkt));
     TEST_ASSERT_EQUAL_INT(0, memcmp(coap_get_token(&pkt), token, strlen(token)));
@@ -1109,7 +1109,7 @@ static void test_nanocoap__token_length_ext_269(void)
     int res = coap_parse(&pkt, buf, 275);
 
     TEST_ASSERT_EQUAL_INT(0, res);
-    TEST_ASSERT_EQUAL_INT(204, coap_get_code(&pkt));
+    TEST_ASSERT_EQUAL_INT(204, coap_get_code_decimal(&pkt));
     TEST_ASSERT_EQUAL_INT(23, coap_get_id(&pkt));
     TEST_ASSERT_EQUAL_INT(strlen(token), coap_get_token_len(&pkt));
     TEST_ASSERT_EQUAL_INT(0, memcmp(coap_get_token(&pkt), token, strlen(token)));