diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 56e9c8b..d9e777d 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -953,7 +953,8 @@
 
     MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> derive keys" ) );
 
-#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
+#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) && \
+    defined(MBEDTLS_SSL_SOME_MODES_USE_MAC)
     transform->encrypt_then_mac = session->encrypt_then_mac;
 #endif
     transform->minor_ver = ssl->minor_ver;
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 86c0ce5..51053d7 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -953,6 +953,20 @@
     if_build_succeeded tests/ssl-opt.sh -f "Max fragment length\|Large buffer"
 }
 
+component_test_when_no_ciphersuites_have_mac () {
+    msg "build: when no ciphersuites have MAC"
+    scripts/config.pl unset MBEDTLS_CIPHER_NULL_CIPHER
+    scripts/config.pl unset MBEDTLS_ARC4_C
+    scripts/config.pl unset MBEDTLS_CIPHER_MODE_CBC
+    make
+
+    msg "test: !MBEDTLS_SSL_SOME_MODES_USE_MAC"
+    make test
+
+    msg "test ssl-opt.sh: !MBEDTLS_SSL_SOME_MODES_USE_MAC"
+    if_build_succeeded tests/ssl-opt.sh
+}
+
 component_test_null_entropy () {
     msg "build: default config with  MBEDTLS_TEST_NULL_ENTROPY (ASan build)"
     scripts/config.pl set MBEDTLS_TEST_NULL_ENTROPY
diff --git a/tests/suites/test_suite_ssl.function b/tests/suites/test_suite_ssl.function
index cc7d8dc..104a52f 100644
--- a/tests/suites/test_suite_ssl.function
+++ b/tests/suites/test_suite_ssl.function
@@ -159,7 +159,8 @@
      * Setup transforms
      */
 
-#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
+#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) && \
+    defined(MBEDTLS_SSL_SOME_MODES_USE_MAC)
     t_out->encrypt_then_mac = etm;
     t_in->encrypt_then_mac = etm;
 #else