diff --git a/ChangeLog b/ChangeLog
index 661eb82..005573d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 mbed TLS ChangeLog (Sorted per branch, date)
 
+= mbed TLS 2.7.x branch released xxxx-xx-xx
+
+Bugfix
+   * Run the AD too long test only if MBEDTLS_CCM_ALT is not defined.
+     Raised as a comment in #1996.
+
 = mbed TLS 2.7.9 branch released 2018-12-21
 
 Bugfix
diff --git a/tests/suites/test_suite_ccm.data b/tests/suites/test_suite_ccm.data
index 90ba42d..65dc382 100644
--- a/tests/suites/test_suite_ccm.data
+++ b/tests/suites/test_suite_ccm.data
@@ -36,6 +36,7 @@
 ccm_lengths:5:10:5:7:MBEDTLS_ERR_CCM_BAD_INPUT
 
 CCM lenghts #7 AD too long (2^16 - 2^8 + 1)
+depends_on:!MBEDTLS_CCM_ALT
 ccm_lengths:5:10:65281:8:MBEDTLS_ERR_CCM_BAD_INPUT
 
 CCM lengths #8 msg too long for this IV length (2^16, q = 2)