diff --git a/travis-ci/vmtest/configs/whitelist/WHITELIST-4.9.0 b/travis-ci/vmtest/configs/whitelist/WHITELIST-4.9.0
index 5dd2793..ee0d3db 100644
--- a/travis-ci/vmtest/configs/whitelist/WHITELIST-4.9.0
+++ b/travis-ci/vmtest/configs/whitelist/WHITELIST-4.9.0
@@ -2,6 +2,7 @@
 core_retro
 cpu_mask
 hashmap
+legacy_printk
 perf_buffer
 section_names
 
diff --git a/travis-ci/vmtest/configs/whitelist/WHITELIST-5.5.0 b/travis-ci/vmtest/configs/whitelist/WHITELIST-5.5.0
index 4c22cd8..a38ab3c 100644
--- a/travis-ci/vmtest/configs/whitelist/WHITELIST-5.5.0
+++ b/travis-ci/vmtest/configs/whitelist/WHITELIST-5.5.0
@@ -18,6 +18,7 @@ global_data_init
 global_func_args
 hashmap
 l4lb_all
+legacy_printk
 linked_funcs
 linked_maps
 map_lock